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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.319 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 30 Oct 2026
One change · api

Create a Message changedapi/messages/create

Nearest release: v2.1.315, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+11added
Lines−3removed
From line 866 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits27to this page, all time

The whole hunk

from line 866, old and new numbered
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from line 866
866866 
867867 - `EncryptedCodeExecutionResultBlockParam object`
868868 
869 Code execution result with encrypted stdout for PFC + web_search results.
869 The output and exit code of Python code that Claude ran with the code execution tool, with standard output in encrypted form, sent back in a later request.
870870 
871871 - `type: "encrypted_code_execution_result"`
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from line 1665
16651665 
16661666 - `CodeExecutionTool20260120 object`
16671667 
1668 Code execution tool with REPL state persistence (daemon mode + gVisor checkpoint).
1668 A `tools` entry for the code execution tool, version `code_execution_20260120`. It adds REPL state persistence to version `code_execution_20250825`.
16691669 
1670 REPL state persistence applies with programmatic tool calling. With it, the Python interpreter state, such as variable bindings, persists across requests that reuse the container.
1671 
1672 See the [code execution tool guide](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool?sdk_languages=http#tool-versions) to learn what each tool version adds.
1673 
16701674 - `type: "code_execution_20260120"`
16711675 
16721676 - `name: "code_execution"`
from line 3652
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36493653 - `EncryptedCodeExecutionResultBlock object`
36503654 
3651 Code execution result with encrypted stdout for PFC + web_search results.
3655 The output and exit code of Python code that Claude ran with the code execution tool, with standard output in encrypted form.
3656 
3657 The API returns this block in place of `code_execution_result` when the code called the web search tool.
3658 
3659 See the [programmatic tool calling guide](https://platform.claude.com/docs/en/agents-and-tools/tool-use/programmatic-tool-calling?sdk_languages=http) to learn more about programmatic tool calling.
36523660 
36533661 - `type: "encrypted_code_execution_result"`
36543662 
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