diff --git a/Doxygen b/Doxygen
index 0c8b7bbcff..00bffd8c01 100644
--- a/Doxygen
+++ b/Doxygen
@@ -38,7 +38,7 @@ PROJECT_NAME           = "ESPHome"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2024.12.0b2
+PROJECT_NUMBER         = 2024.12.0b3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/Makefile b/Makefile
index 7fb2bcf437..c03cff5331 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = 2024.12.0b2
+ESPHOME_REF = 2024.12.0b3
 PAGEFIND_VERSION=1.1.1
 PAGEFIND=pagefind
 NET_PAGEFIND=../pagefindbin/pagefind
diff --git a/_static/version b/_static/version
index 0b974b3c45..0ce45433f4 100644
--- a/_static/version
+++ b/_static/version
@@ -1 +1 @@
-2024.12.0b2
\ No newline at end of file
+2024.12.0b3
\ No newline at end of file
diff --git a/changelog/2024.12.0.rst b/changelog/2024.12.0.rst
index 04d711999f..67b7167796 100644
--- a/changelog/2024.12.0.rst
+++ b/changelog/2024.12.0.rst
@@ -72,6 +72,10 @@ Beta Changes
 - [dallas_temp] Move delay_microseconds_safe to iram :esphomepr:`7957` by :ghuser:`swoboda1337`
 - [i2s_audio] Bugfix: Correctly set ring buffer size :esphomepr:`7959` by :ghuser:`kahrendt`
 - [adc] Restore missing LIBRETINY code in a separated file :esphomepr:`7955` by :ghuser:`edwardtfn`
+- [font] cleanly handle font file format exception (Bugfix) :esphomepr:`7970` by :ghuser:`clydebarrow`
+- [dashboard] Accept basic auth header :esphomepr:`7965` by :ghuser:`jesserockz`
+- Bump esphome-dashboard to 20241217.1 :esphomepr:`7971` by :ghuser:`jesserockz`
+- [esp32_ble] Use RAMAllocator to avoid panic abort from ``new`` :esphomepr:`7936` by :ghuser:`jesserockz`
 
 All changes
 ^^^^^^^^^^^
@@ -182,6 +186,10 @@ All changes
 - [dallas_temp] Move delay_microseconds_safe to iram :esphomepr:`7957` by :ghuser:`swoboda1337`
 - [i2s_audio] Bugfix: Correctly set ring buffer size :esphomepr:`7959` by :ghuser:`kahrendt`
 - [adc] Restore missing LIBRETINY code in a separated file :esphomepr:`7955` by :ghuser:`edwardtfn`
+- [font] cleanly handle font file format exception (Bugfix) :esphomepr:`7970` by :ghuser:`clydebarrow`
+- [dashboard] Accept basic auth header :esphomepr:`7965` by :ghuser:`jesserockz`
+- Bump esphome-dashboard to 20241217.1 :esphomepr:`7971` by :ghuser:`jesserockz`
+- [esp32_ble] Use RAMAllocator to avoid panic abort from ``new`` :esphomepr:`7936` by :ghuser:`jesserockz`
 
 Past Changelogs
 ---------------
diff --git a/conf.py b/conf.py
index ea10b6b46c..ad832a683e 100644
--- a/conf.py
+++ b/conf.py
@@ -73,7 +73,7 @@
 # The short X.Y version.
 version = "2024.12"
 # The full version, including alpha/beta/rc tags.
-release = "2024.12.0b2"
+release = "2024.12.0b3"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/guides/supporters.rst b/guides/supporters.rst
index 92f9fb4cc1..3c1c3678dd 100644
--- a/guides/supporters.rst
+++ b/guides/supporters.rst
@@ -365,6 +365,7 @@ Contributors
 - `Colm (@colmbuckley) <https://github.com/colmbuckley>`__
 - `ColoMAX (@ColoMAX) <https://github.com/ColoMAX>`__
 - `Max (@coltoncat) <https://github.com/coltoncat>`__
+- `colzin (@colzin) <https://github.com/colzin>`__
 - `Conclusio (@Conclusio) <https://github.com/Conclusio>`__
 - `Conor Burns (@Conor-Burns) <https://github.com/Conor-Burns>`__
 - `John Coggeshall (@coogle) <https://github.com/coogle>`__
@@ -423,6 +424,7 @@ Contributors
 - `Danilo Campos (@daniloc) <https://github.com/daniloc>`__
 - `Daniel Martin Gonzalez (@danimart1991) <https://github.com/danimart1991>`__
 - `danlimlu (@danlimlu) <https://github.com/danlimlu>`__
+- `Dan (@DanPlayz0) <https://github.com/DanPlayz0>`__
 - `Dariusz Dalecki (@darianndd) <https://github.com/darianndd>`__
 - `Chris (@darthsebulba04) <https://github.com/darthsebulba04>`__
 - `Dan Gentry (@dashdrum) <https://github.com/dashdrum>`__
@@ -1307,6 +1309,7 @@ Contributors
 - `Murray Scott (@mscottco) <https://github.com/mscottco>`__
 - `MSe-5-14 (@MSe-5-14) <https://github.com/MSe-5-14>`__
 - `mtl010957 (@mtl010957) <https://github.com/mtl010957>`__
+- `Mücahid Kamber (@mucahidkamber) <https://github.com/mucahidkamber>`__
 - `Giel van Schijndel (@muggenhor) <https://github.com/muggenhor>`__
 - `mulcmu (@mulcmu) <https://github.com/mulcmu>`__
 - `mulder-fbi (@mulder-fbi) <https://github.com/mulder-fbi>`__
@@ -1413,6 +1416,7 @@ Contributors
 - `ojwc (@ojwc) <https://github.com/ojwc>`__
 - `OkhammahkO (@OkhammahkO) <https://github.com/OkhammahkO>`__
 - `Oleg Tarasov (@olegtarasov) <https://github.com/olegtarasov>`__
+- `Olliver Schinagl (@oliv3r) <https://github.com/oliv3r>`__
 - `Oliver Hihn (@oliverhihn) <https://github.com/oliverhihn>`__
 - `Omar Ghader (@omarghader) <https://github.com/omarghader>`__
 - `Ömer Şiar Baysal (@omersiar) <https://github.com/omersiar>`__
@@ -2037,4 +2041,4 @@ Contributors
 - `Christian Zufferey (@zuzu59) <https://github.com/zuzu59>`__
 - `Zynth-dev (@Zynth-dev) <https://github.com/Zynth-dev>`__
 
-*This page was last updated December 16, 2024.*
+*This page was last updated December 18, 2024.*