← ChatGPT & Codex changelog
ChatGPT — November 7, 2025
v2025-11-07-9bbadfe5 includes 1 new features and 0 fixes. Previously, changes you made to your ChatGPT personality or custom instructions only applied to new conversations. Starting today, updates you make in Settings → Personalization are applied immediately across all chats (including existing conversations!) so your experience stays consistent everywhere without needing to start a new thread.
Source: official ChatGPT & Codex release notes. Summaries are written from the official notes; see how we work.
Added
- Previously, changes you made to your ChatGPT personality or custom instructions only applied to new conversations. Starting today, updates you make in Settings → Personalization are applied immediately across all chats (including existing conversations!) so your experience stays consistent everywhere without needing to start a new thread.
Changed
- Personality and custom instructions now apply to all chats
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