diff --git a/polaris-react/src/components/Button/Button.scss b/polaris-react/src/components/Button/Button.scss
index be22d912728..32b764c6f23 100644
--- a/polaris-react/src/components/Button/Button.scss
+++ b/polaris-react/src/components/Button/Button.scss
@@ -1,10 +1,10 @@
 @import '../../styles/common';
 
 .Button {
-  // stylelint-disable -- Polaris component custom properties
-  --pc-button-micro-min-height: var(--p-font-line-height-2);
+  // stylelint-disable -- Button custom properties
+  --pc-button-micro-min-height: var(--p-font-line-height-3);
   --pc-button-slim-min-height: var(--p-font-line-height-4);
-  --pc-button-large-min-height: 44px;
+  --pc-button-large-min-height: 32px;
   --pc-button-vertical-padding: calc(
     (36px - var(--p-font-line-height-2) - var(--p-space-05)) / 2
   );
@@ -14,69 +14,55 @@
           var(--p-space-05)
       ) / 2
   );
-  --pc-button-large-vertical-padding: calc(
-    (
-        var(--pc-button-large-min-height) - var(--p-font-line-height-2) -
-          var(--p-space-05)
-      ) / 2
-  );
+  --pc-button-large-vertical-padding: var(--p-space-2);
   --pc-button-spinner-size: 20px;
   --pc-button-segment: 10;
   --pc-button-focused: 20;
   --pc-button-disclosure-icon-offset: -6px;
+  --pc-button-shadow: inset 0px -1px 0px #b5b5b5, inset -1px 0px 0px #e3e3e3,
+    inset 1px 0px 0px #e3e3e3, inset 0px 1px 0px #e3e3e3;
+  --pc-button-shadow-hover: inset 0px -1px 0px #cccccc,
+    inset 1px 0px 0px #ebebeb, inset -1px 0px 0px #ebebeb,
+    inset 0px 1px 0px #ebebeb;
+  --pc-button-shadow-primary: inset 0px -1px 0px rgba(0, 0, 0, 0.25),
+    inset 1px 0px 0px rgba(255, 255, 255, 0.25),
+    inset -1px 0px 0px rgba(255, 255, 255, 0.25);
   // stylelint-enable
   // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
   @include button-base;
 
-  #{$se23} & {
-    // stylelint-disable -- Polaris component custom properties
-    --pc-button-shadow: inset 0px -1px 0px #b5b5b5, inset -1px 0px 0px #e3e3e3,
-      inset 1px 0px 0px #e3e3e3, inset 0px 1px 0px #e3e3e3;
-    --pc-button-shadow-hover: inset 0px -1px 0px #cccccc,
-      inset 1px 0px 0px #ebebeb, inset -1px 0px 0px #ebebeb,
-      inset 0px 1px 0px #ebebeb;
-    --pc-button-shadow-primary: inset 0px -1px 0px rgba(0, 0, 0, 0.25),
-      inset 1px 0px 0px rgba(255, 255, 255, 0.25),
-      inset -1px 0px 0px rgba(255, 255, 255, 0.25);
-    --pc-button-large-min-height: 32px;
-    --pc-button-large-vertical-padding: var(--p-space-2);
-    --pc-button-micro-min-height: var(--p-font-line-height-3);
+  // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+  box-shadow: var(--pc-button-shadow);
+  // stylelint-disable-next-line polaris/motion/declaration-property-unit-disallowed-list -- set transition
+  transition: background-color 75ms var(--p-motion-ease-out),
+    box-shadow 75ms var(--p-motion-ease-out);
 
-    box-shadow: var(--pc-button-shadow);
-    transition: background-color 75ms var(--p-motion-ease-out),
-      box-shadow 75ms var(--p-motion-ease-out);
-    // stylelint-enable
+  &:active {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    --pc-button-shadow: var(--p-shadow-inset-md);
+    background: var(--p-color-bg-active);
 
-    &:active {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      --pc-button-shadow: var(--p-shadow-inset-md);
-      background: var(--p-color-bg-active);
-      // stylelint-disable selector-max-combinators -- se23
-      .Content {
-        transform: translateY(1px);
-      }
-      // stylelint-enable selector-max-combinators
+    .Content {
+      transform: translateY(1px);
     }
+  }
 
-    &:focus:not(.primary):not(.plain),
-    &:focus-visible:not(.primary):not(.plain) {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      box-shadow: var(--pc-button-shadow);
-    }
+  // stylelint-disable selector-max-specificity -- focus styles
+  &:focus:not(.primary):not(.plain),
+  &:focus-visible:not(.primary):not(.plain) {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    box-shadow: var(--pc-button-shadow);
+  }
+  // stylelint-enable selector-max-specificity
 
-    &:hover {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      box-shadow: var(--pc-button-shadow-hover);
-    }
+  &:hover {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    box-shadow: var(--pc-button-shadow-hover);
   }
 
   &.disabled {
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
     @include base-button-disabled;
-    #{$se23} & {
-      box-shadow: none;
-      background: var(--p-color-bg-transparent-disabled-experimental);
-    }
   }
 
   &.connectedDisclosure {
@@ -85,6 +71,11 @@
     border-top-right-radius: 0;
     border-bottom-right-radius: 0;
 
+    &::before {
+      border-top-right-radius: 0;
+      border-bottom-right-radius: 0;
+    }
+
     &::after {
       border-top-right-radius: 0;
       border-bottom-right-radius: 0;
@@ -94,41 +85,13 @@
       // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
       z-index: var(--pc-button-focused);
     }
-
-    #{$se23} & {
-      // Bump specificity
-      border-top-right-radius: 0;
-      border-bottom-right-radius: 0;
-
-      &::before {
-        border-top-right-radius: 0;
-        border-bottom-right-radius: 0;
-      }
-
-      &::after {
-        border-top-right-radius: 0;
-        border-bottom-right-radius: 0;
-      }
-    }
   }
 }
 
 .Content {
-  #{$se23} & {
-    font-size: var(--p-font-size-80-experimental);
-    line-height: var(--p-font-line-height-2);
-    transform: translateY(0);
-    // stylelint-disable-next-line polaris/motion/declaration-property-unit-disallowed-list -- se23 temporary styles
-    transition: transform 75ms cubic-bezier(0.19, 0.91, 0.38, 1);
-
-    @media #{$p-breakpoints-md-up} {
-      font-size: var(--p-font-size-75);
-      line-height: var(--p-font-line-height-1);
-    }
-  }
-  font-size: var(--p-font-size-100);
+  font-size: var(--p-font-size-80-experimental);
   font-weight: var(--p-font-weight-medium);
-  line-height: var(--p-font-line-height-1);
+  line-height: var(--p-font-line-height-2);
   letter-spacing: initial;
   position: relative;
   display: flex;
@@ -136,6 +99,14 @@
   align-items: center;
   min-width: 1px;
   min-height: 1px;
+  transform: translateY(0);
+  // stylelint-disable-next-line polaris/motion/declaration-property-unit-disallowed-list -- set transition
+  transition: transform 75ms cubic-bezier(0.19, 0.91, 0.38, 1);
+
+  @media #{$p-breakpoints-md-up} {
+    font-size: var(--p-font-size-75);
+    line-height: var(--p-font-line-height-1);
+  }
 
   .Button:not(.plain) & {
     width: 100%;
@@ -188,11 +159,9 @@
   // inset within its bounding box.
   margin-left: calc(-1 * (var(--p-space-1)));
 
-  #{$se23} & {
-    @media #{$p-breakpoints-md-up} {
-      margin-top: calc(-1 * var(--p-space-05));
-      margin-bottom: calc(-1 * var(--p-space-05));
-    }
+  @media #{$p-breakpoints-md-up} {
+    margin-top: calc(-1 * var(--p-space-05));
+    margin-bottom: calc(-1 * var(--p-space-05));
   }
 
   &:last-child {
@@ -200,11 +169,7 @@
     // inset within the viewbox
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
     margin-right: var(--pc-button-disclosure-icon-offset);
-    margin-left: var(--p-space-1);
-
-    #{$se23} & {
-      margin-left: var(--p-space-05);
-    }
+    margin-left: var(--p-space-05);
   }
 
   // stylelint-disable-next-line selector-max-class, selector-max-specificity -- generated by polaris-migrator DO NOT COPY
@@ -213,11 +178,7 @@
   }
 
   + *:not(.Icon) {
-    margin-left: var(--p-space-1);
-
-    #{$se23} & {
-      margin-left: var(--p-space-05);
-    }
+    margin-left: var(--p-space-05);
   }
 }
 
@@ -296,7 +257,7 @@
 }
 
 .primary {
-  // stylelint-disable -- Polaris component custom properties
+  // stylelint-disable -- Button custom properties
   --pc-button-color: var(--p-color-bg-primary);
   --pc-button-text: var(--p-color-text-on-color);
   --pc-button-color-hover: var(--p-color-bg-primary-hover);
@@ -304,258 +265,230 @@
   --pc-button-color-depressed: var(--p-color-bg-primary-active);
   // stylelint-enable
 
-  #{$se23} & {
-    &:not(.disabled) {
-      box-shadow: none;
+  &::before {
+    /* shine */
+    // stylelint-disable -- set primary styles
+    content: '';
+    position: absolute;
+    left: 0;
+    right: 0;
+    top: 0;
+    bottom: 0;
+    background: linear-gradient(
+      180deg,
+      rgba(255, 255, 255, 0.07) 80%,
+      rgba(255, 255, 255, 0.15) 100%
+    );
+    box-shadow: var(--p-shadow-button-primary-strong-experimental);
+    border-radius: 9px;
+    transition: opacity 75ms cubic-bezier(0.19, 0.91, 0.38, 1);
+    mix-blend-mode: luminosity;
+    // stylelint-enable
+  }
+
+  &:not(.disabled) {
+    box-shadow: none;
+  }
+
+  &:hover {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
+    --pc-button-text: var(--p-color-text-inverse);
+
+    &::before {
+      box-shadow: var(--p-shadow-button-primary-strong-experimental);
+    }
+
+    svg {
+      fill: var(--p-color-text-inverse);
     }
+  }
 
+  &:active {
+    // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- Button custom properties
+    --pc-button-text: var(--p-color-text-inverse-subdued);
+    background: var(--pc-button-color-active);
+    box-shadow: var(--p-shadow-button-inset-experimental);
+    // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
+
+    // stylelint-enable-next-line length-zero-no-unit
     &::before {
-      /* shine */
-      // stylelint-disable -- se23 temporary styles
-      content: '';
-      position: absolute;
-      left: 0;
-      right: 0;
-      top: 0;
-      bottom: 0;
+      opacity: 1;
+      // stylelint-disable-next-line -- override background
       background: linear-gradient(
         180deg,
-        rgba(255, 255, 255, 0.07) 80%,
-        rgba(255, 255, 255, 0.15) 100%
+        rgba(255, 255, 255, 0.1) 0%,
+        rgba(255, 255, 255, 0) 100%
       );
-      box-shadow: var(--p-shadow-button-primary-strong-experimental);
-      border-radius: 9px;
-      transition: opacity 75ms cubic-bezier(0.19, 0.91, 0.38, 1);
-      mix-blend-mode: luminosity;
-      // stylelint-enable
+      box-shadow: var(--p-shadow-button-primary-strong-inset-experimental);
+    }
+
+    svg {
+      fill: var(--p-color-text-inverse-subdued);
+    }
+  }
+
+  &.disabled {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    color: var(--pc-button-text);
+    background: var(--p-color-bg-transparent-primary-disabled-experimental);
+    box-shadow: none;
+
+    &::before {
+      display: none;
+    }
+
+    svg {
+      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list, declaration-no-important -- override Spinner fill color
+      fill: var(--pc-button-text) !important;
+    }
+  }
+
+  &.destructive,
+  &.success {
+    &::before {
+      left: 0.5px;
+      right: 0.5px;
+      top: 0.5px;
+      bottom: 0.5px;
+      border-radius: inherit;
+      // adjust shine for destructive and success buttons
+      box-shadow: var(--p-shadow-button-primary-experimental);
+      background: none;
     }
 
     &:hover {
-      // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
+      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
       --pc-button-text: var(--p-color-text-inverse);
-      // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
 
+      // stylelint-disable-next-line selector-max-specificity -- set box shadow
       &::before {
-        box-shadow: var(--p-shadow-button-primary-strong-experimental);
+        box-shadow: var(--p-shadow-button-primary-experimental);
       }
 
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
+      // stylelint-disable-next-line selector-max-specificity -- set svg fill
       svg {
         fill: var(--p-color-text-inverse);
       }
     }
 
     &:active {
-      // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
+      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
       --pc-button-text: var(--p-color-text-inverse-subdued);
-      background: var(--pc-button-color-active);
       box-shadow: var(--p-shadow-button-inset-experimental);
-      // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
-      // stylelint-enable-next-line length-zero-no-unit
+
+      // stylelint-disable-next-line -- set opacity
       &::before {
-        opacity: 1;
-        // stylelint-disable-next-line -- se23 overrides
-        background: linear-gradient(
-          180deg,
-          rgba(255, 255, 255, 0.1) 0%,
-          rgba(255, 255, 255, 0) 100%
-        );
-        box-shadow: var(--p-shadow-button-primary-strong-inset-experimental);
+        opacity: 0;
       }
 
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
+      // stylelint-disable-next-line selector-max-specificity -- set svg fill
       svg {
         fill: var(--p-color-text-inverse-subdued);
       }
     }
+  }
 
-    &.disabled {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      color: var(--pc-button-text);
-      background: var(--p-color-bg-transparent-primary-disabled-experimental);
-      box-shadow: none;
-
-      &::before {
-        display: none;
-      }
+  &.destructive {
+    // stylelint-disable -- Button custom properties
+    --pc-button-color: var(--p-color-bg-critical-strong);
+    --pc-button-text: var(--p-color-text-on-color);
+    --pc-button-color-hover: var(--p-color-bg-critical-strong-hover);
+    --pc-button-color-active: var(--p-color-bg-critical-strong-active);
+    --pc-button-color-depressed: var(--p-color-bg-critical-strong-active);
+    // stylelint-enable
 
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
-      svg {
-        // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-        fill: var(--pc-button-text);
-      }
+    &:not(.disabled) {
+      box-shadow: none;
     }
 
-    &.destructive,
-    &.success {
-      &::before {
-        left: 0.5px;
-        right: 0.5px;
-        top: 0.5px;
-        bottom: 0.5px;
-        border-radius: inherit;
-        // adjust shine for destructive and success buttons
-        box-shadow: var(--p-shadow-button-primary-experimental);
-        background: none;
-      }
-
-      &:hover {
-        // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-        --pc-button-text: var(--p-color-text-inverse);
-        // stylelint-disable-next-line max-nesting-depth -- se23 temporary styles
-        &::before {
-          box-shadow: var(--p-shadow-button-primary-experimental);
-        }
-
-        // stylelint-disable-next-line selector-max-combinators, max-nesting-depth -- se23 temporary styles
-        svg {
-          fill: var(--p-color-text-inverse);
-        }
-      }
-
-      &:active {
-        // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-        --pc-button-text: var(--p-color-text-inverse-subdued);
-        box-shadow: var(--p-shadow-button-inset-experimental);
-
-        // stylelint-disable-next-line -- se23 overrides
-        &::before {
-          opacity: 0;
-        }
+    svg {
+      fill: var(--p-color-icon-on-color);
+    }
 
-        // stylelint-disable-next-line selector-max-combinators, max-nesting-depth -- se23 temporary styles
-        svg {
-          fill: var(--p-color-text-inverse-subdued);
-        }
-      }
+    &:active {
+      box-shadow: var(--p-shadow-button-inset-experimental);
     }
 
-    &.destructive {
-      // stylelint-disable -- Polaris component custom properties
-      --pc-button-color: var(--p-color-bg-critical-strong);
-      --pc-button-text: var(--p-color-text-on-color);
-      --pc-button-color-hover: var(--p-color-bg-critical-strong-hover);
-      --pc-button-color-active: var(--p-color-bg-critical-strong-active);
-      --pc-button-color-depressed: var(--p-color-bg-critical-strong-active);
-      // stylelint-enable
-
-      &:not(.disabled) {
-        box-shadow: none;
+    // stylelint-disable-next-line selector-max-class -- set disabled styles
+    &.disabled {
+      // stylelint-disable-next-line selector-max-specificity, selector-max-class -- set display
+      &::before {
+        display: none;
       }
 
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
+      // stylelint-disable-next-line selector-max-specificity, selector-max-class -- set svg fill
       svg {
-        fill: var(--p-color-icon-on-color);
-      }
-
-      &:active {
-        box-shadow: var(--p-shadow-button-inset-experimental);
-      }
-
-      // stylelint-disable-next-line selector-max-class -- se23 temporary styles
-      &.disabled {
-        // stylelint-disable-next-line selector-max-class, max-nesting-depth -- se23 temporary styles
-        &::before {
-          display: none;
-        }
-
-        // stylelint-disable-next-line selector-max-combinators, max-nesting-depth, selector-max-class -- se23 temporary styles
-        svg {
-          // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-          fill: var(--pc-button-text);
-        }
+        // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+        fill: var(--pc-button-text);
       }
     }
+  }
 
-    &.success {
-      // stylelint-disable -- Polaris component custom properties
-      --pc-button-color: var(--p-color-bg-success-strong);
-      --pc-button-text: var(--p-color-text-on-color);
-      --pc-button-color-hover: var(
-        --p-color-bg-success-strong-hover-experimental
-      );
-      --pc-button-color-active: var(
-        --p-color-bg-success-strong-active-experimental
-      );
-      --pc-button-color-depressed: var(
-        --p-color-bg-success-strong-active-experimental
-      );
-      // stylelint-enable
-      box-shadow: none;
-    }
+  &.success {
+    // stylelint-disable -- Button custom properties
+    --pc-button-color: var(--p-color-bg-success-strong);
+    --pc-button-text: var(--p-color-text-on-color);
+    --pc-button-color-hover: var(
+      --p-color-bg-success-strong-hover-experimental
+    );
+    --pc-button-color-active: var(
+      --p-color-bg-success-strong-active-experimental
+    );
+    --pc-button-color-depressed: var(
+      --p-color-bg-success-strong-active-experimental
+    );
+    // stylelint-enable
+    box-shadow: none;
   }
 
   svg {
     fill: var(--p-color-icon-on-color);
   }
-
-  &.disabled {
-    background: var(--p-color-bg-disabled);
-  }
 }
 
 .destructive {
-  // stylelint-disable -- Polaris component custom properties
-  --pc-button-color: var(--p-color-bg-critical-strong);
-  --pc-button-text: var(--p-color-text-on-color);
-  --pc-button-color-hover: var(--p-color-bg-critical-strong-hover);
-  --pc-button-color-active: var(--p-color-bg-critical-strong-active);
-  --pc-button-color-depressed: var(--p-color-bg-critical-strong-active);
+  // stylelint-disable -- Button custom properties
+  --pc-button-color: var(--p-color-bg);
+  --pc-button-text: var(--p-color-text-critical);
+  --pc-button-color-hover: var(--p-color-bg-hover);
+  --pc-button-color-active: var(--p-color-bg-active);
+  --pc-button-color-depressed: var(--p-color-bg-active);
   // stylelint-enable
 
+  // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+  box-shadow: var(--pc-button-shadow);
+
   svg {
-    fill: var(--p-color-icon-on-color);
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    fill: var(--pc-button-text);
   }
 
   &.disabled {
-    background: var(--p-color-bg-disabled);
-  }
-
-  #{$se23} & {
-    // stylelint-disable -- Polaris component custom properties
-    --pc-button-color: var(--p-color-bg);
-    --pc-button-text: var(--p-color-text-critical);
-    --pc-button-color-hover: var(--p-color-bg-hover);
-    --pc-button-color-active: var(--p-color-bg-active);
-    --pc-button-color-depressed: var(--p-color-bg-active);
-    // stylelint-enable
-
-    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-    box-shadow: var(--pc-button-shadow);
-
-    // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
     svg {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      fill: var(--pc-button-text);
-    }
-
-    &.disabled {
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
-      svg {
-        fill: var(--p-color-text-disabled);
-      }
+      fill: var(--p-color-text-disabled);
     }
+  }
 
-    &:focus,
-    &:focus-visible {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      box-shadow: var(--pc-button-shadow);
-    }
+  &:focus,
+  &:focus-visible {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    box-shadow: var(--pc-button-shadow);
   }
 }
 
 .primaryPlain {
-  // stylelint-disable -- Polaris component custom properties
-  --pc-button-color: var(--p-color-bg-interactive-subdued-active);
-  --pc-button-text: var(--p-color-text-interactive-hover);
-  --pc-button-color-hover: var(--p-color-bg-interactive-subdued-active);
-  --pc-button-color-active: var(--p-color-bg-interactive-subdued-active);
+  // stylelint-disable -- Button custom properties
+  --pc-button-color: transparent;
+  --pc-button-text: var(--p-color-text);
+  --pc-button-color-hover: var(--p-color-bg-transparent-hover-experimental);
+  --pc-button-color-active: var(--p-color-bg-transparent-active-experimental);
   --pc-button-color-depressed: var(--p-surface-selected-depressed);
   // stylelint-enable
   box-shadow: none;
 
   path {
-    fill: var(--p-color-icon-on-color);
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    fill: var(--pc-button-text);
   }
 
   &:is(:hover, :focus, :active) {
@@ -564,116 +497,95 @@
   }
 
   &.disabled {
-    background: var(--p-color-bg-disabled);
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
+    --pc-button-text: var(--p-color-text-disabled);
+    background: transparent;
   }
 
-  #{$se23} & {
-    // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-    --pc-button-color: transparent;
+  &:active {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
     --pc-button-text: var(--p-color-text);
-    --pc-button-color-hover: var(--p-color-bg-transparent-hover-experimental);
-    --pc-button-color-active: var(--p-color-bg-transparent-active-experimental);
-    // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
+
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    color: var(--pc-button-text);
     box-shadow: none;
 
-    // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
-    path {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      fill: var(--pc-button-text);
+    .Content {
+      transform: translateY(0);
     }
+  }
 
-    &:active {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      --pc-button-text: var(--p-color-text);
-      box-shadow: none;
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      color: var(--pc-button-text);
+  &:hover {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
+    --pc-button-text: var(--p-color-text);
+    box-shadow: none;
+  }
 
-      // stylelint-disable-next-line selector-max-combinators -- se23 temporary styles
-      .Content {
-        transform: translateY(0);
-      }
-    }
+  &:hover,
+  &:focus:not(.disabled) {
+    text-decoration: none;
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    color: var(--pc-button-text);
+  }
 
-    &:hover {
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      --pc-button-text: var(--p-color-text);
-      box-shadow: none;
-    }
+  &::before {
+    display: none;
+  }
+
+  &.destructive {
+    // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- Button custom properties
+    --pc-button-color: transparent;
+    --pc-button-text: var(--p-color-text-critical);
+    --pc-button-color-hover: var(--p-color-bg-transparent-hover-experimental);
+    --pc-button-color-active: var(--p-color-bg-transparent-active-experimental);
 
     &:hover,
-    &:focus:not(.disabled) {
-      text-decoration: none;
-      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      color: var(--pc-button-text);
+    &:active {
+      --pc-button-text: var(--p-color-text-critical);
     }
+    // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
 
-    &::before {
-      display: none;
+    // stylelint-disable-next-line selector-max-class -- set destructive styles
+    &.destructive {
+      box-shadow: none;
     }
 
+    // stylelint-disable-next-line selector-max-class -- set disabled styles
     &.disabled {
-      // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
+      // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- Button custom property
       --pc-button-text: var(--p-color-text-disabled);
-      // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      background: transparent;
     }
+  }
 
-    &.destructive {
-      // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      --pc-button-color: transparent;
-      --pc-button-text: var(--p-color-text-critical);
-      --pc-button-color-hover: var(--p-color-bg-transparent-hover-experimental);
-      --pc-button-color-active: var(
-        --p-color-bg-transparent-active-experimental
-      );
-
-      &:hover,
-      &:active {
-        --pc-button-text: var(--p-color-text-critical);
-      }
-      // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
-
-      // stylelint-disable-next-line selector-max-class -- se23 temporary styles
-      &.destructive {
-        box-shadow: none;
-      }
+  &.iconOnly {
+    margin: calc(-1 * var(--p-space-1));
 
-      // stylelint-disable-next-line selector-max-class -- se23 temporary styles
-      &.disabled {
-        // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-        --pc-button-text: var(--p-color-text-disabled);
-        background: transparent;
-      }
+    path {
+      fill: var(--p-color-icon-subdued);
     }
 
-    &.iconOnly {
-      margin: calc(-1 * var(--p-space-1));
-
-      // stylelint-disable selector-max-combinators, max-nesting-depth, selector-max-class -- se23 temporary styles
+    &:active,
+    &:hover {
+      // stylelint-disable-next-line selector-max-specificity -- set svg fill
       path {
-        fill: var(--p-color-icon-subdued);
-      }
-
-      &:active,
-      &:hover {
-        path {
-          fill: var(--p-color-icon);
-        }
+        fill: var(--p-color-icon);
       }
+    }
 
-      &.destructive {
-        path {
-          fill: var(--p-color-text-critical);
-        }
+    // stylelint-disable-next-line selector-max-class -- set destructive styles
+    &.destructive {
+      // stylelint-disable-next-line selector-max-class, selector-max-specificity -- set svg fill
+      path {
+        fill: var(--p-color-text-critical);
       }
+    }
 
-      &.disabled {
-        path {
-          fill: var(--p-color-icon-disabled);
-        }
+    // stylelint-disable-next-line selector-max-class -- set disabled styles
+    &.disabled {
+      // stylelint-disable-next-line selector-max-class, selector-max-specificity -- set svg fill
+      path {
+        fill: var(--p-color-icon-disabled);
       }
-      // stylelint-enable selector-max-combinators, max-nesting-depth, selector-max-class
     }
   }
 }
@@ -720,8 +632,6 @@
   &.disabled {
     border: var(--p-border-width-1) solid var(--p-color-border-disabled);
     color: var(--p-color-text-disabled);
-    background: transparent;
-    box-shadow: none;
   }
 
   &.destructive {
@@ -753,7 +663,6 @@
     // stylelint-disable-next-line selector-max-class -- too many classes
     &.disabled {
       border: var(--p-border-width-1) solid var(--p-color-border-disabled);
-      background: transparent;
       color: var(--p-color-text-disabled);
     }
 
@@ -776,10 +685,7 @@
 
   &,
   &:hover,
-  &.disabled,
-  #{$se23} &,
-  #{$se23} &:hover,
-  #{$se23} &.disabled {
+  &.disabled {
     color: transparent;
   }
 }
@@ -795,36 +701,22 @@
 .plain {
   // stylelint-disable-next-line -- polaris/conventions/polaris/custom-property-allowed-list
   margin: calc(-1 * var(--pc-button-vertical-padding))
-    calc(-1 * var(--p-space-2));
-  padding-left: var(--p-space-2);
-  padding-right: var(--p-space-2);
+    calc(-1 * var(--p-space-3));
   background: transparent;
   border: 0;
   box-shadow: none;
   color: var(--p-color-text-interactive);
 
-  #{$se23} & {
-    box-shadow: none;
-    // stylelint-disable-next-line -- polaris/conventions/polaris/custom-property-allowed-list
-    margin: calc(-1 * var(--pc-button-vertical-padding))
-      calc(-1 * var(--p-space-3));
-  }
-
   svg {
     fill: var(--p-color-icon-interactive);
   }
 
   > .Content {
+    // stylelint-disable-next-line -- remove focus-ring mixing
+    @include no-focus-ring;
+    font-size: var(--p-font-size-80-experimental);
     font-weight: var(--p-font-weight-regular);
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    @include focus-ring;
-
-    #{$se23} & {
-      line-height: var(--p-font-line-height-1);
-      font-size: var(--p-font-size-80-experimental);
-      // stylelint-disable-next-line -- se23 override
-      @include no-focus-ring;
-    }
+    line-height: var(--p-font-line-height-1);
   }
 
   &:hover,
@@ -833,10 +725,6 @@
     background: transparent;
     box-shadow: none;
 
-    #{$se23} & {
-      box-shadow: none;
-    }
-
     svg {
       fill: var(--p-color-icon-interactive-hover);
     }
@@ -849,27 +737,15 @@
   &.pressed,
   &:active {
     color: var(--p-color-text-interactive-active);
-    background: transparent;
+    background-color: transparent;
     box-shadow: none;
 
-    #{$se23} & {
-      background-color: transparent;
-      // Specificity bump
-      color: var(--p-color-text-interactive-active);
-
-      // stylelint-disable-next-line -- se23 override
-      > .Content {
-        transform: translateY(0);
-      }
+    > .Content {
+      transform: translateY(0);
     }
 
     svg {
       fill: var(--p-color-icon-interactive-active);
-
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-interactive-active);
-      }
     }
 
     @media (-ms-high-contrast: active) {
@@ -880,10 +756,7 @@
   &:focus-visible {
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
     @include no-focus-ring;
-
-    #{$se23} & {
-      outline: none;
-    }
+    outline: none;
 
     @media (-ms-high-contrast: active) {
       outline: none;
@@ -893,24 +766,17 @@
       @media (-ms-high-contrast: active) {
         outline: var(--p-border-width-2) dotted;
       }
-      #{$se23} & {
-        outline: var(--p-border-width-2) solid
-          var(--p-color-border-interactive-focus);
-        outline-offset: var(--p-space-05);
-        border-radius: var(--p-border-radius-1_5-experimental);
-      }
+      outline: var(--p-border-width-2) solid
+        var(--p-color-border-interactive-focus);
+      outline-offset: var(--p-space-05);
+      border-radius: var(--p-border-radius-1_5-experimental);
     }
   }
 
   &:focus-visible:not(:active) {
     > .Content {
       // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-      @include focus-ring($style: 'focused');
-
-      #{$se23} & {
-        // stylelint-disable-next-line -- se23 override
-        @include no-focus-ring;
-      }
+      @include no-focus-ring;
     }
   }
 
@@ -918,11 +784,8 @@
   &.pressed:not(.iconOnly) > .Content {
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
     @include plain-button-backdrop;
-
-    #{$se23} & {
-      padding: unset;
-      margin: unset;
-    }
+    padding: unset;
+    margin: unset;
   }
 
   &.fullWidth {
@@ -933,42 +796,25 @@
   &.disabled {
     color: var(--p-color-text-disabled);
     background: none;
+    box-shadow: none;
 
-    #{$se23} & {
-      box-shadow: none;
-      background: none;
-    }
-
-    &.loading,
-    #{$se23} &.loading {
+    &.loading {
       color: transparent;
     }
   }
 
   &.destructive {
     color: var(--p-color-text-critical);
-
-    #{$se23} & {
-      box-shadow: none;
-    }
+    box-shadow: none;
 
     svg {
-      fill: var(--p-color-icon-critical);
-
-      #{$se23} & {
-        fill: var(--p-color-icon-critical-strong-experimental);
-      }
-    }
-
-    &:hover {
-      color: var(--p-color-bg-critical-strong-hover);
+      fill: var(--p-color-icon-critical-strong-experimental);
     }
 
-    #{$se23} &:hover,
-    #{$se23} &:focus:not(:active):not(.pressed):not(.disabled) {
+    &:hover,
+    &:focus:not(:active):not(.pressed):not(.disabled) {
       color: var(--p-color-text-critical-hover-experimental);
 
-      // stylelint-disable-next-line -- se23 override
       svg {
         fill: var(--p-color-icon-critical-strong-hover-experimental);
       }
@@ -978,137 +824,100 @@
     &.pressed {
       color: var(--p-color-text-critical-active);
 
-      #{$se23} & {
-        // Specificity bump
-        color: var(--p-color-text-critical-active);
-
-        // stylelint-disable-next-line -- se23 override
-        svg {
-          fill: var(--p-color-icon-critical-strong-active-experimental);
-        }
+      svg {
+        fill: var(--p-color-icon-critical-strong-active-experimental);
       }
     }
 
     &.disabled {
       color: var(--p-color-text-disabled);
 
-      #{$se23} & svg {
+      svg {
         fill: var(--p-color-icon-disabled);
       }
     }
   }
 
+  &.sizeMicro {
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
+    margin: calc(var(--pc-button-vertical-padding) * -1)
+      calc(var(--p-space-3) * -1);
+
+    > .Content {
+      font-size: var(--p-font-size-80-experimental);
+    }
+  }
+
   &.sizeSlim {
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    margin-top: calc(-1 * var(--pc-button-slim-vertical-padding));
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    margin-bottom: calc(-1 * var(--pc-button-slim-vertical-padding));
+    // stylelint-disable-next-line -- custom properties
+    margin: calc(var(--pc-button-vertical-padding) * -1)
+      calc(var(--p-space-3) * -1);
   }
 
   &.sizeLarge {
-    // stylelint-disable -- polaris/conventions/polaris/custom-property-allowed-list
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
     margin: calc(-1 * var(--pc-button-large-vertical-padding))
       calc(-1 * var(--p-space-5));
-    // stylelint-enable -- polaris/conventions/polaris/custom-property-allowed-list
   }
 
   &.iconOnly {
-    margin: calc(-1 * var(--p-space-2));
-
-    #{$se23} & {
-      margin: 0;
-      padding: 0;
-      min-height: var(--p-font-line-height-2);
-      min-width: var(--p-font-line-height-2);
-    }
+    margin: 0;
+    padding: 0;
+    min-height: var(--p-font-line-height-2);
+    min-width: var(--p-font-line-height-2);
 
     svg {
-      fill: var(--p-color-icon);
-
-      #{$se23} & {
-        fill: var(--p-color-icon-subdued);
-      }
+      fill: var(--p-color-icon-subdued);
     }
 
     &:hover svg {
       fill: var(--p-color-icon-hover);
-
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-hover);
-      }
     }
 
     &:active svg,
     &.pressed svg {
       fill: var(--p-color-icon-active);
-
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-active);
-      }
     }
 
     &:focus svg {
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-hover);
-      }
+      fill: var(--p-color-icon-hover);
     }
 
     &.disabled svg {
       fill: var(--p-color-icon-disabled);
-
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-disabled);
-      }
     }
   }
 
   &.destructive.iconOnly {
     svg {
-      fill: var(--p-color-bg-critical-strong);
-
-      #{$se23} & {
-        fill: var(--p-color-icon-critical-strong-experimental);
-      }
+      fill: var(--p-color-icon-critical-strong-experimental);
     }
 
     &:hover svg {
-      fill: var(--p-color-bg-critical-strong-hover);
-
-      #{$se23} & {
-        fill: var(--p-color-icon-critical-strong-hover-experimental);
-      }
+      fill: var(--p-color-icon-critical-strong-hover-experimental);
     }
 
-    #{$se23} &:focus:not(:active):not(.pressed):not(.disabled) svg {
+    &:focus:not(:active):not(.pressed):not(.disabled) svg {
       fill: var(--p-color-icon-critical-strong-experimental);
     }
 
     &:active svg,
     &.pressed svg {
-      fill: var(--p-color-bg-critical-strong-active);
-
-      #{$se23} & {
-        fill: var(--p-color-icon-critical-strong-active-experimental);
-      }
+      fill: var(--p-color-icon-critical-strong-active-experimental);
     }
 
     &.disabled svg {
-      fill: var(--p-color-bg-disabled);
-
-      #{$se23} & {
-        // Specificity bump
-        fill: var(--p-color-icon-disabled);
-      }
+      fill: var(--p-color-icon-disabled);
     }
   }
 
   .Icon {
     margin-left: 0;
     margin-right: 0;
+
+    &:last-child {
+      margin-left: var(--p-space-05);
+    }
   }
 }
 
@@ -1118,33 +927,23 @@
 }
 
 .iconOnly {
-  padding-left: var(--p-space-2);
-  padding-right: var(--p-space-2);
-
-  #{$se23} & {
-    padding-left: var(--p-space-1_5-experimental);
-    padding-right: var(--p-space-1_5-experimental);
+  padding-left: var(--p-space-1_5-experimental);
+  padding-right: var(--p-space-1_5-experimental);
 
-    @media #{$p-breakpoints-md-up} {
-      padding-left: var(--p-space-1);
-      padding-right: var(--p-space-1);
-    }
+  @media #{$p-breakpoints-md-up} {
+    padding-left: var(--p-space-1);
+    padding-right: var(--p-space-1);
   }
 
   &.sizeLarge {
-    padding-left: var(--p-space-3);
-    padding-right: var(--p-space-3);
-
-    #{$se23} & {
-      // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-      padding-left: var(--pc-button-large-vertical-padding);
-      padding-right: var(--pc-button-large-vertical-padding);
-      // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-
-      @media #{$p-breakpoints-md-up} {
-        padding-left: var(--p-space-1_5-experimental);
-        padding-right: var(--p-space-1_5-experimental);
-      }
+    // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- custom properties
+    padding-left: var(--pc-button-large-vertical-padding);
+    padding-right: var(--pc-button-large-vertical-padding);
+    // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list -- custom properties
+
+    @media #{$p-breakpoints-md-up} {
+      padding-left: var(--p-space-1_5-experimental);
+      padding-right: var(--p-space-1_5-experimental);
     }
   }
 
@@ -1155,10 +954,6 @@
 
   .Icon:first-child {
     margin-left: 0;
-
-    #{$se23} & {
-      margin-left: 0;
-    }
   }
 
   .Icon:last-child {
@@ -1171,82 +966,64 @@
 }
 
 .sizeMicro {
-  border-radius: var(--p-border-radius-1);
+  border-radius: var(--p-border-radius-2);
   padding: var(--p-space-1) var(--p-space-2);
-  // stylelint-disable-next-line -- custom property
+  // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
   min-height: var(--pc-button-micro-min-height);
 
   .Content {
-    font-size: var(--p-font-size-100);
-    font-weight: var(--p-font-weight-semibold);
+    font-size: var(--p-font-size-80-experimental);
+    font-weight: var(--p-font-weight-medium);
     line-height: var(--p-font-line-height-2);
   }
 
-  #{$se23} & {
+  @media #{$p-breakpoints-md-up} {
     padding: var(--p-space-1) var(--p-space-2);
-    // stylelint-disable-next-line -- custom property
+    // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
     min-height: var(--pc-button-micro-min-height);
 
-    // stylelint-disable-next-line -- se23 override
-    .Content {
-      font-weight: var(--p-font-weight-medium);
-    }
-  }
-
-  @media #{$p-breakpoints-md-up} {
-    padding: var(--p-space-05) var(--p-space-2);
-
     .Content {
       font-size: var(--p-font-size-75);
       line-height: var(--p-font-line-height-1);
     }
-
-    #{$se23} & {
-      padding: var(--p-space-1) var(--p-space-2);
-      // stylelint-disable-next-line -- custom property
-      min-height: var(--pc-button-micro-min-height);
-    }
   }
 }
 
 .sizeSlim {
-  // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
+  // stylelint-disable-next-line polaris/conventions/polaris/custom-property-allowed-list -- custom property
   min-height: var(--pc-button-slim-min-height);
-  // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-  padding: var(--pc-button-slim-vertical-padding) var(--p-space-3);
+  padding: var(--p-space-1_5-experimental) var(--p-space-3);
+
+  &.iconOnly {
+    padding-left: var(--p-space-1_5-experimental);
+    padding-right: var(--p-space-1_5-experimental);
+
+    @media #{$p-breakpoints-md-up} {
+      padding-left: var(--p-space-1);
+      padding-right: var(--p-space-1);
+    }
+  }
 }
 
 .sizeLarge {
-  // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
+  // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- Button custom properties
   min-height: var(--pc-button-large-min-height);
-  // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
   min-width: var(--pc-button-large-min-height);
-  // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-  padding: var(--pc-button-large-vertical-padding) var(--p-space-6);
+  padding: var(--pc-button-large-vertical-padding) var(--p-space-3);
+  // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list
 
   .Content {
-    font-size: var(--p-font-size-200);
+    font-size: var(--p-font-size-80-experimental);
     font-weight: var(--p-font-weight-medium);
     line-height: var(--p-font-line-height-2);
     letter-spacing: initial;
-  }
-
-  #{$se23} & {
-    // stylelint-disable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
-    min-height: var(--pc-button-large-min-height);
-    min-width: var(--pc-button-large-min-height);
-    padding: var(--pc-button-large-vertical-padding) var(--p-space-3);
-    // stylelint-enable polaris/conventions/polaris/custom-property-allowed-list -- se23 temporary styles
 
-    // stylelint-disable selector-max-combinators -- se23 temporary styles
-    .Content {
-      font-size: var(--p-font-size-80-experimental);
+    @media #{$p-breakpoints-md-up} {
+      line-height: var(--p-font-line-height-1);
     }
-    // stylelint-enable selector-max-combinators -- se23 temporary styles
   }
 }
 
-// stylelint-disable selector-max-specificity -- generated by polaris-migrator DO NOT COPY
 .monochrome {
   &.outline,
   &.plain {
@@ -1266,7 +1043,6 @@
       }
     }
 
-    // stylelint-disable selector-max-class -- generated by polaris-migrator DO NOT COPY
     &.disabled {
       color: currentColor;
       opacity: 0.4;
@@ -1295,21 +1071,17 @@
         fill: currentColor;
       }
     }
-    // stylelint-enable selector-max-class
   }
 
   &.plain {
-    // stylelint-disable selector-max-class -- generated by polaris-migrator DO NOT COPY
     .Text:not(.removeUnderline) {
       text-decoration: underline;
     }
-    // stylelint-enable selector-max-class
   }
 
   &.outline {
     position: relative;
     border-color: currentColor;
-    // stylelint-disable selector-max-class -- generated by polaris-migrator DO NOT COPY
     box-shadow: 0 0 0 var(--p-border-width-1) currentColor;
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
     @include focus-ring($border-width: 2px);
@@ -1364,10 +1136,9 @@
         opacity: 0.05;
       }
     }
-    // stylelint-enable selector-max-class
   }
 }
-// stylelint-enable selector-max-specificity
+// stylelint-enable selector-max-specificity, selector-max-class
 
 .ConnectedDisclosureWrapper {
   display: flex;
@@ -1376,9 +1147,9 @@
 .ConnectedDisclosure {
   // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
   z-index: var(--pc-button-segment);
-  margin-left: calc(-1 * var(--p-space-025));
-  border-top-left-radius: 0;
+  margin-left: calc(-1 * var(--p-space-05));
   border-bottom-left-radius: 0;
+  border-top-left-radius: 0;
   height: 100%;
 
   &:focus,
@@ -1389,7 +1160,7 @@
 
   &.primary,
   &.destructive {
-    margin-left: var(--p-space-025);
+    margin-left: calc(var(--p-space-05) * -1);
 
     // stylelint-disable-next-line selector-max-class -- generated by polaris-migrator DO NOT COPY
     &.outline {
@@ -1398,80 +1169,52 @@
     }
   }
 
-  &::after {
+  &:active {
+    .Icon {
+      transform: translateY(1px);
+    }
+  }
+
+  &::before {
     border-top-left-radius: 0;
     border-bottom-left-radius: 0;
   }
 
-  // Bump specificity
-  #{$se23} & {
+  &::after {
     border-top-left-radius: 0;
     border-bottom-left-radius: 0;
-    margin-left: calc(-1 * var(--p-space-05));
-
-    &::before {
-      border-top-left-radius: 0;
-      border-bottom-left-radius: 0;
-    }
-
-    &:active {
-      // stylelint-disable-next-line selector-max-combinators -- se23
-      .Icon {
-        transform: translateY(1px);
-      }
-    }
   }
 }
+
 // stylelint-disable selector-max-combinators, selector-max-specificity -- generated by polaris-migrator DO NOT COPY
 [data-buttongroup-segmented='true'] {
   .Button,
   .Button::after {
     border-radius: 0;
-
-    // Bump specificity
-    #{$se23} & {
-      border-radius: 0;
-    }
   }
 
   .Button.pressed {
-    #{$se23} & {
-      // stylelint-disable-next-line -- se23 required for styling specificicty
-      clip-path: none !important;
-    }
+    // stylelint-disable-next-line -- required for styling specificicty
+    clip-path: none !important;
   }
 
   > :first-child .Button,
   > :first-child .Button::after {
     border-radius: 0;
-    border-top-left-radius: var(--p-border-radius-1);
-    border-bottom-left-radius: var(--p-border-radius-1);
-
-    #{$se23} & {
-      border-top-left-radius: var(--p-border-radius-2);
-      border-bottom-left-radius: var(--p-border-radius-2);
-    }
+    border-top-left-radius: var(--p-border-radius-2);
+    border-bottom-left-radius: var(--p-border-radius-2);
   }
 
   > :last-child .Button,
   > :last-child .Button::after {
     border-radius: 0;
-    border-top-right-radius: var(--p-border-radius-1);
-    border-bottom-right-radius: var(--p-border-radius-1);
-
-    #{$se23} & {
-      border-top-right-radius: var(--p-border-radius-2);
-      border-bottom-right-radius: var(--p-border-radius-2);
-    }
+    border-top-right-radius: var(--p-border-radius-2);
+    border-bottom-right-radius: var(--p-border-radius-2);
   }
 
   > :last-child:first-child .Button,
   > :last-child:first-child .Button::after {
-    border-radius: var(--p-border-radius-1);
-
-    #{$se23} & {
-      border-radius: var(--p-border-radius-2);
-    }
+    border-radius: var(--p-border-radius-2);
   }
 }
 
diff --git a/polaris-react/src/components/Button/Button.tsx b/polaris-react/src/components/Button/Button.tsx
index 850ae4b1cf5..a70caf0b55f 100644
--- a/polaris-react/src/components/Button/Button.tsx
+++ b/polaris-react/src/components/Button/Button.tsx
@@ -1,7 +1,5 @@
 import React, {useCallback, useState} from 'react';
 import {
-  CaretDownMinor,
-  CaretUpMinor,
   SelectMinor,
   ChevronDownMinor,
   ChevronUpMinor,
@@ -19,7 +17,6 @@ import {ActionList} from '../ActionList';
 import {UnstyledButton} from '../UnstyledButton';
 import type {UnstyledButtonProps} from '../UnstyledButton';
 import {useDisableClick} from '../../utilities/use-disable-interaction';
-import {useFeatures} from '../../utilities/features';
 
 import styles from './Button.scss';
 
@@ -144,12 +141,9 @@ export function Button({
 
   const isDisabled = disabled || loading;
 
-  const {polarisSummerEditions2023} = useFeatures();
-
   const className = classNames(
     styles.Button,
     primary && styles.primary,
-    outline && !polarisSummerEditions2023 && styles.outline,
     destructive && styles.destructive,
     primary && plain && styles.primaryPlain,
     isDisabled && styles.disabled,
@@ -165,21 +159,10 @@ export function Button({
     removeUnderline && styles.removeUnderline,
     primarySuccess && styles.primary,
     primarySuccess && styles.success,
-    polarisSummerEditions2023 &&
-      destructive &&
-      !outline &&
-      !plain &&
-      styles.primary,
-    polarisSummerEditions2023 && outline && destructive && styles.destructive,
+    destructive && !outline && !plain && styles.primary,
+    outline && destructive && styles.destructive,
   );
 
-  const disclosureUpIcon = polarisSummerEditions2023
-    ? ChevronUpMinor
-    : CaretUpMinor;
-  const disclosureDownIcon = polarisSummerEditions2023
-    ? ChevronDownMinor
-    : CaretDownMinor;
-
   const disclosureMarkup = disclosure ? (
     <span className={styles.Icon}>
       <div
@@ -191,8 +174,8 @@ export function Button({
               ? 'placeholder'
               : getDisclosureIconSource(
                   disclosure,
-                  disclosureUpIcon,
-                  disclosureDownIcon,
+                  ChevronUpMinor,
+                  ChevronDownMinor,
                 )
           }
         />
@@ -278,11 +261,7 @@ export function Button({
         tabIndex={disabled ? -1 : undefined}
       >
         <span className={styles.Icon}>
-          <Icon
-            source={
-              polarisSummerEditions2023 ? ChevronDownMinor : CaretDownMinor
-            }
-          />
+          <Icon source={ChevronDownMinor} />
         </span>
       </button>
     );
diff --git a/polaris-react/src/components/Button/tests/Button.test.tsx b/polaris-react/src/components/Button/tests/Button.test.tsx
index 631909edc77..bc7172b2901 100644
--- a/polaris-react/src/components/Button/tests/Button.test.tsx
+++ b/polaris-react/src/components/Button/tests/Button.test.tsx
@@ -1,7 +1,5 @@
 import React from 'react';
 import {
-  CaretDownMinor,
-  CaretUpMinor,
   ChevronDownMinor,
   ChevronUpMinor,
   PlusMinor,
@@ -222,9 +220,7 @@ describe('<Button />', () => {
         ],
       };
 
-      const button = mountWithApp(<Button connectedDisclosure={disclosure} />, {
-        features: {polarisSummerEditions2023: true},
-      });
+      const button = mountWithApp(<Button connectedDisclosure={disclosure} />);
       expect(button).toContainReactComponentTimes('button', 2);
 
       const disclosureButton = button.findAll('button')[1];
@@ -460,9 +456,7 @@ describe('<Button />', () => {
 
   describe('disclosure', () => {
     it('assumes "down" if set to true', () => {
-      const button = mountWithApp(<Button disclosure />, {
-        features: {polarisSummerEditions2023: true},
-      });
+      const button = mountWithApp(<Button disclosure />);
       const disclosureIcon = button
         .find('div', {className: styles.DisclosureIcon})!
         .find(Icon);
@@ -470,9 +464,7 @@ describe('<Button />', () => {
     });
 
     it('is facing down if set to "down"', () => {
-      const button = mountWithApp(<Button disclosure="down" />, {
-        features: {polarisSummerEditions2023: true},
-      });
+      const button = mountWithApp(<Button disclosure="down" />);
       const disclosureIcon = button
         .find('div', {className: styles.DisclosureIcon})!
         .find(Icon);
@@ -480,9 +472,7 @@ describe('<Button />', () => {
     });
 
     it('is facing up if set to "up"', () => {
-      const button = mountWithApp(<Button disclosure="up" />, {
-        features: {polarisSummerEditions2023: true},
-      });
+      const button = mountWithApp(<Button disclosure="up" />);
       const disclosureIcon = button
         .find('div', {className: styles.DisclosureIcon})!
         .find(Icon);
@@ -544,56 +534,3 @@ describe('<Button />', () => {
     });
   });
 });
-
-// se23 -- CaretDownMinor replaced with ChevronDownMinor
-describe('polarisSummerEditions2023 false', () => {
-  it('connects a disclosure icon button to the button', () => {
-    const disclosure = {
-      actions: [
-        {
-          content: 'Save and mark as ordered',
-        },
-      ],
-    };
-
-    const button = mountWithApp(<Button connectedDisclosure={disclosure} />, {
-      features: {polarisSummerEditions2023: false},
-    });
-    expect(button).toContainReactComponentTimes('button', 2);
-
-    const disclosureButton = button.findAll('button')[1];
-    expect(disclosureButton).toContainReactComponent(Icon, {
-      source: CaretDownMinor,
-    });
-  });
-
-  it('assumes "down" if set to true', () => {
-    const button = mountWithApp(<Button disclosure />, {
-      features: {polarisSummerEditions2023: false},
-    });
-    const disclosureIcon = button
-      .find('div', {className: styles.DisclosureIcon})!
-      .find(Icon);
-    expect(disclosureIcon).toHaveReactProps({source: CaretDownMinor});
-  });
-
-  it('is facing down if set to "down"', () => {
-    const button = mountWithApp(<Button disclosure="down" />, {
-      features: {polarisSummerEditions2023: false},
-    });
-    const disclosureIcon = button
-      .find('div', {className: styles.DisclosureIcon})!
-      .find(Icon);
-    expect(disclosureIcon).toHaveReactProps({source: CaretDownMinor});
-  });
-
-  it('is facing up if set to "up"', () => {
-    const button = mountWithApp(<Button disclosure="up" />, {
-      features: {polarisSummerEditions2023: false},
-    });
-    const disclosureIcon = button
-      .find('div', {className: styles.DisclosureIcon})!
-      .find(Icon);
-    expect(disclosureIcon).toHaveReactProps({source: CaretUpMinor});
-  });
-});
diff --git a/polaris-react/src/styles/shared/_buttons.scss b/polaris-react/src/styles/shared/_buttons.scss
index 016df7624bd..fdf45b61585 100644
--- a/polaris-react/src/styles/shared/_buttons.scss
+++ b/polaris-react/src/styles/shared/_buttons.scss
@@ -9,15 +9,15 @@
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  min-height: 36px;
-  min-width: 36px;
+  min-height: 28px;
+  min-width: 28px;
   margin: 0;
-  padding: $vertical-padding var(--p-space-4);
+  padding: var(--p-space-1_5-experimental) var(--p-space-3);
   background: var(--p-color-bg);
   box-shadow: var(--p-shadow-sm);
-  border-radius: var(--p-border-radius-1);
+  border-radius: var(--p-border-radius-2);
   color: var(--p-color-text);
-  border: var(--p-border-width-1) solid var(--p-color-border-strong);
+  border: none;
   line-height: 1;
   text-align: center;
   cursor: pointer;
@@ -25,14 +25,6 @@
   text-decoration: none;
   -webkit-tap-highlight-color: transparent;
 
-  #{$se23} & {
-    min-height: 28px;
-    min-width: 28px;
-    padding: var(--p-space-1_5-experimental) var(--p-space-3);
-    border-radius: var(--p-border-radius-2);
-    border: none;
-  }
-
   svg {
     fill: var(--p-color-icon);
   }
@@ -44,17 +36,11 @@
 
   &:focus-visible {
     box-shadow: var(--p-shadow-sm);
-    outline: 0;
     // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    @include focus-ring($style: 'focused');
-
-    #{$se23} & {
-      // stylelint-disable-next-line -- se23 temporary styles
-      @include no-focus-ring;
-      outline: var(--p-border-width-2) solid
-        var(--p-color-border-interactive-focus);
-      outline-offset: var(--p-space-025);
-    }
+    @include no-focus-ring;
+    outline: var(--p-border-width-2) solid
+      var(--p-color-border-interactive-focus);
+    outline-offset: var(--p-space-025);
   }
 
   &:active {
@@ -65,29 +51,23 @@
   }
 
   &.pressed {
-    background: var(--p-color-bg-inset-strong);
+    background: var(--p-color-bg-strong-active);
     box-shadow: var(--p-shadow-inset-md);
-    color: var(--p-color-text-on-color);
+    color: var(--p-color-text);
     border-color: var(--p-color-border-inverse);
 
     svg {
       fill: currentColor;
     }
 
-    #{$se23} & {
-      background: var(--p-color-bg-strong-active);
+    &:hover {
+      background: var(--p-color-bg-strong-hover);
       box-shadow: var(--p-shadow-inset-md);
-      color: var(--p-color-text);
-
-      &:hover {
-        background: var(--p-color-bg-strong-hover);
-        box-shadow: var(--p-shadow-inset-md);
-      }
+    }
 
-      &:active {
-        background: var(--p-color-bg-strong-active);
-        box-shadow: var(--p-shadow-inset-md);
-      }
+    &:active {
+      background: var(--p-color-bg-strong-active);
+      box-shadow: var(--p-shadow-inset-md);
     }
   }
 
@@ -100,13 +80,9 @@
   transition: none;
   box-shadow: none;
   border-color: var(--p-color-border-disabled);
-  background: var(--p-color-bg-disabled);
+  background: var(--p-color-bg-transparent-disabled-experimental);
   color: var(--p-color-text-disabled);
 
-  #{$se23} & {
-    background: transparent;
-  }
-
   svg {
     fill: var(--p-color-icon-disabled);
   }