### Codex 0.31.0
- https://github.com/openai/codex/pull/3182 added support for a `startup_timeout_ms` option when declaring an MCP server [(docs)](https://github.com/openai/codex/blob/main/docs/config.md#mcp_servers), which has been a highly requested feature, particularly for Windows users:
- Issue: https://github.com/openai/codex/issues/3196
- Issue: https://github.com/openai/codex/issues/2346
- Issue: https://github.com/openai/codex/issues/2555
- PR: https://github.com/openai/codex/pull/3249
- PR: https://github.com/openai/codex/pull/3326
- PR: https://github.com/openai/codex/pull/3006
- and more...
- Thanks to @Bit-urd for adding more fault tolerance to MCP startup: https://github.com/openai/codex/pull/3243
- #3211 fixes image pasting from Finder with `ctrl+v` on macOS
### Merged PRs
- [#3217] Added logic to cancel pending oauth login to free up localhost port
- [#3220] feat(tui): show minutes/hours in thinking timer
- [#3223] Added CLI version to `/status` output
- [#3176] [codex] respect overrides for model family configuration from toml file
- [#3226] chore: rewrite codex-rs/scripts/create_github_release.sh in Python
- [#3228] chore: change create_github_release to create a fresh clone in a temp directory
- [#3230] chore: use gh instead of git to do work to avoid overhead of a local clone
- [#3231] fix: change create_github_release to take either --publish-alpha or --publish-release
- [#3221] Move token usage/context information to session level
- [#3285] Clear non-empty prompts with ctrl + c
- [#3282] Use ConversationId instead of raw Uuids
- [#3300] docs: fix broken link to the "Memory with AGENTS.md" section in codex/README.md
- [#3182] feat(mcp): per-server startup timeout
- [#3294] chore(deps): bump insta from 1.43.1 to 1.43.2 in /codex-rs
- [#3295] chore(deps): bump tree-sitter from 0.25.8 to 0.25.9 in /codex-rs
- [#3296] chore(deps): bump clap from 4.5.45 to 4.5.47 in /codex-rs
- [#3297] chore(deps): bump image from 0.25.6 to 0.25.8 in /codex-rs
- [#3243] fix: improve MCP server initialization error handling #3196 #2346 #2555
- [#3211] tui: paste with ctrl+v checks file_list
- [#3316] chore: upgrade to actions/setup-node@v5
- [#3320] Add a getUserAgent MCP method
- [#3319] Highlight Proposed Command preview