diff --git a/.changelog/3211.changed.txt b/.changelog/3211.changed.txt
deleted file mode 100644
index 815b5fafb9..0000000000
--- a/.changelog/3211.changed.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat(prometheus): Removing prometheus recording rules
\ No newline at end of file
diff --git a/.changelog/3232.changed.txt b/.changelog/3232.changed.txt
deleted file mode 100644
index 98a1841b19..0000000000
--- a/.changelog/3232.changed.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat(metrics): move app metrics filtering to metadata layer
\ No newline at end of file
diff --git a/.changelog/3244.breaking.txt b/.changelog/3244.breaking.txt
deleted file mode 100644
index 409c8aa331..0000000000
--- a/.changelog/3244.breaking.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat!: remove support for fluent-bit and fluentd
diff --git a/.changelog/3248.breaking.txt b/.changelog/3248.breaking.txt
deleted file mode 100644
index 44171f1433..0000000000
--- a/.changelog/3248.breaking.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat!: truncate fullname after 22 characters
\ No newline at end of file
diff --git a/.changelog/3281.fixed.txt b/.changelog/3281.fixed.txt
deleted file mode 100644
index 216f2bcc75..0000000000
--- a/.changelog/3281.fixed.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-fix(logs)!: move JSON parsing after user-defined processors
-
-The log body will now always be a string if accessed in extra processors.
-Users who want to access specific fields in their parsed JSON log
-should explicitly call ParseJSON in their processor definition.
\ No newline at end of file
diff --git a/.changelog/3284.breaking.txt b/.changelog/3284.breaking.txt
deleted file mode 100644
index 2546cce43e..0000000000
--- a/.changelog/3284.breaking.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat(metrics)!: use otel by default
\ No newline at end of file
diff --git a/.changelog/3286.added.txt b/.changelog/3286.added.txt
deleted file mode 100644
index 0bf8cd21e5..0000000000
--- a/.changelog/3286.added.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat(logs): add `sumologic.logs.additionalFields` property
\ No newline at end of file
diff --git a/.changelog/3289.fixed.txt b/.changelog/3289.fixed.txt
deleted file mode 100644
index 86b6815001..0000000000
--- a/.changelog/3289.fixed.txt
+++ /dev/null
@@ -1 +0,0 @@
-fix(metrics): decompose OTLP histograms
\ No newline at end of file
diff --git a/.changelog/3292.added.txt b/.changelog/3292.added.txt
deleted file mode 100644
index e234418202..0000000000
--- a/.changelog/3292.added.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat(metrics): add additionalServiceMonitors setting
\ No newline at end of file
diff --git a/.changelog/3295.fixed.txt b/.changelog/3295.fixed.txt
deleted file mode 100644
index 1c7b41d72d..0000000000
--- a/.changelog/3295.fixed.txt
+++ /dev/null
@@ -1 +0,0 @@
-fix(metrics)!: drop k8s.node.name attribute
\ No newline at end of file
diff --git a/.changelog/3297.changed.txt b/.changelog/3297.changed.txt
deleted file mode 100644
index e813601dd0..0000000000
--- a/.changelog/3297.changed.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat!: use OTLP sources by default
\ No newline at end of file
diff --git a/.changelog/3306.changed.txt b/.changelog/3306.changed.txt
deleted file mode 100644
index 36af0a75ca..0000000000
--- a/.changelog/3306.changed.txt
+++ /dev/null
@@ -1 +0,0 @@
-feat!(metrics): move extra processors after sumologic_schema
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 695b709bc5..91e9bf3055 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,56 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 <!-- towncrier release notes start -->
 
+## [v4.0.0-rc.0]
+
+### Released 2023-09-26
+
+### Migration from v3
+
+See the [migration guide][v4_migration_guide] for details.
+
+### Breaking Changes
+
+- feat!: remove support for fluent-bit and fluentd [#3244]
+- feat!: truncate fullname after 22 characters [#3248]
+- feat(metrics)!: use otel by default [#3284]
+- feat!: use OTLP sources by default [#3297]
+- feat!(metrics): move extra processors after sumologic_schema [#3306]
+- fix(metrics)!: drop k8s.node.name attribute [#3295]
+- fix(logs)!: move JSON parsing after user-defined processors [#3281]
+
+  The log body will now always be a string if accessed in extra processors. Users who want to access specific fields in their parsed JSON
+  log should explicitly call ParseJSON in their processor definition.
+
+### Added
+
+- feat(logs): add `sumologic.logs.additionalFields` property [#3286]
+- feat(metrics): add additionalServiceMonitors setting [#3292]
+
+### Changed
+
+- feat(prometheus): Removing prometheus recording rules [#3211]
+- feat(metrics): move app metrics filtering to metadata layer [#3232]
+
+### Fixed
+
+- fix(metrics): decompose OTLP histograms [#3289]
+
+[#3244]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3244
+[#3248]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3248
+[#3284]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3284
+[#3286]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3286
+[#3292]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3292
+[#3211]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3211
+[#3232]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3232
+[#3297]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3297
+[#3306]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3306
+[#3281]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3281
+[#3289]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3289
+[#3295]: https://github.com/SumoLogic/sumologic-kubernetes-collection/pull/3295
+[v4_migration_guide]: /docs/v4-migration-doc.md
+[v4.0.0-rc.0]: https://github.com/SumoLogic/sumologic-kubernetes-collection/releases/v4.0.0-rc.0
+
 ## [v3.15.0]
 
 ### Released 2023-09-18
diff --git a/deploy/helm/sumologic/Chart.yaml b/deploy/helm/sumologic/Chart.yaml
index c23a010783..e0fbedb290 100644
--- a/deploy/helm/sumologic/Chart.yaml
+++ b/deploy/helm/sumologic/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: sumologic
-version: 3.15.0
-appVersion: 3.15.0
+version: 4.0.0-rc.0
+appVersion: 4.0.0-rc.0
 description: A Helm chart for collecting Kubernetes logs, metrics, traces and events into Sumo Logic.
 type: application
 keywords: