diff --git a/Doxygen b/Doxygen
index 20d667f0c..4829729e3 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         = 2022.8.0b2
+PROJECT_NUMBER         = 2022.8.0b3
 
 # 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 5063510da..80e5eed55 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = 2022.8.0b2
+ESPHOME_REF = 2022.8.0b3
 
 .PHONY: html html-strict cleanhtml deploy help live-html Makefile netlify netlify-api api netlify-dependencies svg2png copy-svg2png minify
 
diff --git a/_static/version b/_static/version
index 9babf5d49..700a84ad7 100644
--- a/_static/version
+++ b/_static/version
@@ -1 +1 @@
-2022.8.0b2
\ No newline at end of file
+2022.8.0b3
\ No newline at end of file
diff --git a/changelog/2022.8.0.rst b/changelog/2022.8.0.rst
index db7f8103b..230acb7f9 100644
--- a/changelog/2022.8.0.rst
+++ b/changelog/2022.8.0.rst
@@ -44,6 +44,10 @@ Beta Changes
 - Add vector include :esphomepr:`3707` by :ghuser:`jesserockz`
 - Add state_class total :esphomepr:`3608` by :ghuser:`peterg79`
 - add gradient color V2.0 :esphomepr:`3709` by :ghuser:`nielsnl68`
+- Webui small fixes :esphomepr:`3713` by :ghuser:`anatoly-savchenkov`
+- Only trigger ble_client on_connect after discovering services :esphomepr:`3710` by :ghuser:`buxtronix`
+- Fixes BLE remote address type when connecting :esphomepr:`3702` by :ghuser:`rbaron`
+- Makes ble_client.ble_write's action value templatable :esphomepr:`3715` by :ghuser:`rbaron`
 
 
 All changes
diff --git a/components/ble_client.rst b/components/ble_client.rst
index 00e4b385e..53d38f63f 100644
--- a/components/ble_client.rst
+++ b/components/ble_client.rst
@@ -118,6 +118,20 @@ Example usage:
               characteristic_uuid: 6490FAFE-0734-732C-8705-91B653A081FC
               # List of bytes to write.
               value: [0x01, 0xab, 0xff]
+          - ble_client.ble_write:
+              id: my_ble_client
+              service_uuid: F61E3BE9-2826-A81B-970A-4D4DECFABBAE
+              characteristic_uuid: 6490FAFE-0734-732C-8705-91B653A081FC
+              # A lambda returning an std::vector<uint8_t>.
+              value: !lambda |-
+                  return {0x13, 0x37};
+
+Configuration variables:
+
+- **id** (**Required**, :ref:`config-id`): ID of the associated BLE client.
+- **service_uuid** (**Required**, UUID): UUID of the service to write to.
+- **characteristic_uuid** (**Required**, UUID): UUID of the service's characteristic to write to.
+- **value** (**Required**, Array of bytes or :ref:`lambda <config-lambda>`): The value to be written.
 
 BLE Overview
 ------------
diff --git a/conf.py b/conf.py
index 5ac44d071..a01ccc9ba 100644
--- a/conf.py
+++ b/conf.py
@@ -68,7 +68,7 @@ author = "ESPHome"
 # The short X.Y version.
 version = "2022.8"
 # The full version, including alpha/beta/rc tags.
-release = "2022.8.0b2"
+release = "2022.8.0b3"
 
 # 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 4138a2946..7d4ba9b10 100644
--- a/guides/supporters.rst
+++ b/guides/supporters.rst
@@ -899,4 +899,4 @@ Contributors
 - `Zack Barett (@zsarnett) <https://github.com/zsarnett>`__
 - `Christian Zufferey (@zuzu59) <https://github.com/zuzu59>`__
 
-*This page was last updated August 15, 2022.*
+*This page was last updated August 16, 2022.*