diff --git a/README.md b/README.md
index 4f5e9ff..8b8e477 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It has been written to complement grblHAL and has features such as proper keyboa
 
 ---
 
-Latest build date is 20211024, see the [changelog](changelog.md) for details.  
+Latest build date is 20211029, see the [changelog](changelog.md) for details.  
 __NOTE:__ Drivers built with more than three axes configured \(`N_AXIS` > `3`\) will force a settings reset when upgraded. Backup and restore of settings is recommended for these.
 
 ---
diff --git a/changelog.md b/changelog.md
index b2cbce8..37afbe4 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,18 @@
 ## grblHAL changelog
 
+Build 2021029:
+
+Core:
+* Fixed variable name typo.
+* Renamed hal.stream.disable to hal.stream.disable_rx to better reflect function.
+
+Plugins:
+* Spindle plugin modified to support multiple Modbus clients.
+
+Drivers:
+* Updated for HAL function pointer rename, multiple Modbus clients where relevant.
+* Added support for using UART8 as serial port in iMXRT1062 driver.
+
 Build 2021024:
 
 Core: