diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 88dc78c9d..839f266d8 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -6,7 +6,7 @@
   - [ ] The pull request is done against the latest development branch
   - [ ] Only relevant files were touched
   - [ ] Only one feature/fix was added per PR and the code change compiles without warnings
-  - [ ] The code change is tested and works with Tasmota core ESP8266 V.2.7.4.9
+  - [ ] The code change is tested and works with Tasmota core ESP8266 V.2.7.4
   - [ ] The code change is tested and works with Tasmota core ESP32 V.2.0.5
   - [ ] I accept the [CLA](https://github.com/arendst/Tasmota/blob/development/CONTRIBUTING.md#contributor-license-agreement-cla).
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63408c2e8..0ef41cf34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,8 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Support for Plantower PMSx003T AQI models with temperature and humidity (#16971)
 - Support for Dingtian x595/x165 shift register based relay boards by Barbudor (#17032)
-- Added ``FUNC_NETWORK_UP`` and ``FUNC_NETWORK_DOWN`` events
-- Added WS2812 and Light ArtNet DMX control over UDP port 6454
+- New ``FUNC_NETWORK_UP`` and ``FUNC_NETWORK_DOWN`` events
+- WS2812 and Light ArtNet DMX control over UDP port 6454 (#17059)
 
 ### Breaking Changed
 
@@ -16,7 +16,8 @@ All notable changes to this project will be documented in this file.
 - Reverted Flash Mode back from ``DIO`` to ``DOUT`` for ESP8266/ESP8285 (#17019)
 - ESP32 Framework (Core) from v2.0.5.2 to v2.0.5.3 (#17034)
 - TuyaMcu rewrite by btsimonh (#17051)
-- WS2812 sends signal to only ``Pixels`` leds instead of sending to 512 leds
+- WS2812 sends signal to only ``Pixels`` leds instead of sending to 512 leds (#17055)
+- ESP8266 core library rename from v2.7.4.9 to v2.7.4
 
 ### Fixed
 - SenseAir S8 module detection (#17033)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 6de9a4302..eb70b0d8e 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -31,11 +31,11 @@ While fallback or downgrading is common practice it was never supported due to S
 
 ## Supported Core versions
 
-This release will be supported from ESP8266/Arduino library Core version **2.7.4.9** due to reported security and stability issues on previous Core version. This will also support gzipped binaries.
+This release will be supported from ESP8266/Arduino library Core version **2.7.4** due to reported security and stability issues on previous Core version. This will also support gzipped binaries.
 
 This release will be supported from ESP32/Arduino library Core version **2.0.5.3**.
 
-Support of ESP8266 Core versions before 2.7.4.9 and ESP32 Core versions before 2.0.5.3 have been removed.
+Support of ESP8266 Core versions before 2.7.4 and ESP32 Core versions before 2.0.5.3 have been removed.
 
 ## Support of TLS
 
@@ -52,7 +52,7 @@ Easy initial installation of Tasmota can be performed using the [Tasmota WebInst
 ## Provided Binary Downloads
 
 ### ESP8266 or ESP8285 based
-The following binary downloads have been compiled with ESP8266/Arduino library core version **2.7.4.9**.
+The following binary downloads have been compiled with ESP8266/Arduino library core version **2.7.4**.
 
 - **tasmota.bin** = The Tasmota version with most drivers for 1M+ flash. **RECOMMENDED RELEASE BINARY**
 - **tasmota4M.bin** = The Tasmota version with most drivers and filesystem for 4M+ flash.
@@ -119,6 +119,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 - Support for Plantower PMSx003T AQI models with temperature and humidity [#16971](https://github.com/arendst/Tasmota/issues/16971)
 - Support for BP1658CJ RGBCW led bulbs like Orein OS0100411267 by Cossid [#17011](https://github.com/arendst/Tasmota/issues/17011)
 - Support for Dingtian x595 shift register based relay boards by Barbudor [#17032](https://github.com/arendst/Tasmota/issues/17032)
+- WS2812 and Light ArtNet DMX control over UDP port 6454 [#17059](https://github.com/arendst/Tasmota/issues/17059)
 - Berry ``bytes().setbytes()`` method [#16892](https://github.com/arendst/Tasmota/issues/16892)
 - Berry ``bytes().reverse()`` method [#16977](https://github.com/arendst/Tasmota/issues/16977)
 - Zigbee router firmware for Sonoff ZBBridgePro [#16900](https://github.com/arendst/Tasmota/issues/16900)
@@ -128,12 +129,14 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 - Redesign distance sensors VL53LXX, TOF10120, HRXL and DYP to use cm instead of mm [#17021](https://github.com/arendst/Tasmota/issues/17021)
 
 ### Changed
+- ESP8266 core library rename from v2.7.4.9 to v2.7.4
 - ESP32 Framework (Core) from v2.0.5 to v2.0.5.3
 - ESP32 NimBLE library from v1.4.0 to v1.4.1 [#16775](https://github.com/arendst/Tasmota/issues/16775)
 - DS18x20 ``DS18Alias`` to ``DS18Sens`` [#16833](https://github.com/arendst/Tasmota/issues/16833)
 - Compiling with reduced boards manifests in favour of Autoconfig [#16848](https://github.com/arendst/Tasmota/issues/16848)
 - ADE7953 monitoring from instant power to accumulated energy [#16941](https://github.com/arendst/Tasmota/issues/16941)
 - TuyaMcu rewrite by btsimonh [#17051](https://github.com/arendst/Tasmota/issues/17051)
+- WS2812 sends signal to only ``Pixels`` leds instead of sending to 512 leds [#17055](https://github.com/arendst/Tasmota/issues/17055)
 
 ### Fixed
 - Serial bridge default serial configuration from 5N1 to 8N1 regression from v10.1.0.3