3 changes since v2.1.308, landing in 22 of 23 prompts.
Every prompt v2.1.309 sent, compared word for word with the capture before it. Each card is one edit, with every prompt it reached; the table after them shows where each one landed.
What changed 3
1
System prompt · under “Context management”
EndConversation deferred tool added, limited to sustained abuse or demos
A new line under Context management introduces EndConversation as a deferred tool. Claude may use it only for sustained user abuse aimed at the assistant or when the user explicitly asks to see it demonstrated, and it must first load the full guidance with ToolSearch("select:EndConversation"). The line appeared in only 1 of 23 captures, so it may be specific to one setup.
Behind a feature flag
+34−0 words
+EndConversation (deferred tool): use only for sustained user abuse directed at the assistant, or when the user explicitly asks to see it demonstrated. Load the full guidance via ToolSearch("select:EndConversation") before using it.
2
Bash tool description · under “Git”
Bash git guidance warns that bare @mentions notify GitHub users
A new Git rule says GitHub notifies anyone named with `@name` in a PR, issue or comment. Claude is told to write a bare `@name` only for a real login it means to notify, and to put roles, placeholders and code such as `@reviewer` or `@types/node` in backticks or drop the `@`, even when the text is copied from project files.
+47−0 words
Copy 1 of 2 · 22 prompts, 13 model strings · under “Git”
+- GitHub notifies the owner of any `@name` written in a PR, issue, or comment. Write a bare `@name` only for a real login you mean to notify. Put roles, placeholders, and code (`@human`, `@reviewer`, `@types/node`) in backticks or drop the `@`, even when copied from project files.
Copy 2 of 2 · 6 prompts, 14 model strings · under “Creating pull requests”
+GitHub notifies the owner of any `@name` written in a PR, issue, or comment. Write a bare `@name` only for a real login you mean to notify. Put roles, placeholders, and code (`@human`, `@reviewer`, `@types/node`) in backticks or drop the `@`, even when copied from project files.
3
Appended context (skills, environment) · at “EndConversation”
EndConversation entry added to appended context in one capture
A single line reading "EndConversation" now appears in the appended skills and environment context. It landed in only 1 of 13 captures, so it is likely tied to one setup, and the diff shows no description of what it does.
Behind a feature flag
+1−0 words
+EndConversation
Where each change landed
Every prompt the release sent, one row each. A number is a change from the list above; click it to jump there. Rows with more than one model string count them, because each model gets its own copy of the prompt.
