Checked fact 35493 Nov 2026Agents and apps
The issue's author asks Anthropic to document server-delivered instruction changes of this scope in the Claude Code changelog.
The exact words it rests on
3. Document server-delivered instruction changes of this scope in the Claude Code changelog, so paying professional users are not blindsided mid project.
What the source said when we opened it, on 3 Nov 2026.
The source
Server-delivered "games" instruction blocks professional development work (claude-code issue 106167)
Checked
Checked by the notis newsroom on , against the source above.
In the story
What a system prompt does, and which of Anthropic's prompts are published 3 Nov 2026
Cite this fact
Anyone may quote this address. It does not change; if we correct the story, this page says so.