diff --git a/HISTORY.md b/HISTORY.md
index a287e716d..79d6ac3b6 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,21 @@
 
 # Release history
 
+### main branch
+
+- Aider now offers to run shell commands related to changes it makes:
+  - Launch a browser to view updated html/css/js.
+  - Install new dependencies.
+  - Run DB migration tools.
+  - Run the program to exercise changes.
+  - Run the new test cases.
+- New `/reset` command to `/drop` files and `/clear` chat history.
+- New `--map-multiplier-no-files` to control repo map size multiplier when no files are in the chat.
+  - Reduced default multiplier to 2.
+- Improved formatting of token reports and confirmation dialogs.
+- Default OpenAI model is now `gpt-4o-2024-08-06`.
+- Bumped dependencies to pickup litellm bugfixes.
+
 ### Aider v0.51.0
 
 - Prompt caching for Anthropic models with `--cache-prompts`.
diff --git a/aider/website/HISTORY.md b/aider/website/HISTORY.md
index 8e70b5cbd..5bebcd1ce 100644
--- a/aider/website/HISTORY.md
+++ b/aider/website/HISTORY.md
@@ -16,6 +16,21 @@ cog.out(text)
 
 # Release history
 
+### main branch
+
+- Aider now offers to run shell commands related to changes it makes:
+  - Launch a browser to view updated html/css/js.
+  - Install new dependencies.
+  - Run DB migration tools.
+  - Run the program to exercise changes.
+  - Run the new test cases.
+- New `/reset` command to `/drop` files and `/clear` chat history.
+- New `--map-multiplier-no-files` to control repo map size multiplier when no files are in the chat.
+  - Reduced default multiplier to 2.
+- Improved formatting of token reports and confirmation dialogs.
+- Default OpenAI model is now `gpt-4o-2024-08-06`.
+- Bump dependencies to pickup litellm bugfixes.
+
 ### Aider v0.51.0
 
 - Prompt caching for Anthropic models with `--cache-prompts`.