## Highlights:
- New UI refresh! Updated chat composer, bottom pane, model picker, and upgrade nudge (#4240, #4316, #4178, #4405)
- Custom prompts now support named & positional arguments (#4474, #4470)
- Add support for streamable HTTP MCP servers (#4317)
- (experimental) Reduce repetitive approval for read-only commands on Windows (#4269)
- (very experimental) Manage cloud tasks with `codex cloud` (#3197)
+ many more fixes and improvements
## Full list of merged PRs:
- #4642 Nit: Pop model effort picker on esc
- #4641 Move gpt-5-codex to top
- #4639 Fix tab+enter regression on slash commands
- #4619 feat: add file name to fuzzy search response
- #4629 tui: • Working, 100% context dim
- #4633 Use supports_color in codex exec
- #4636 Enable codex workflows
- #4638 Update issue-deduplicator.yml
- #4571 feat: write pid in addition to port to server info
- #4635 Deduplicator fixes
- #4627 fix false "task complete" state during agent message
- #4634 Bump codex version in actions to latest
- #4610 Rename assistant message to agent message and fix item type field naming
- #4630 Use GH cli to fetch current issue
- #4622 tui: tweaks to dialog display
- #4628 Add issue deduplicator workflow
- #4585 Minor cleanup of codex exec output
- #4626 Revert "chore: sandbox extraction"
- #4621 Add issue labeler workflow
- #4583 Add a separate exec doc
- #4612 Separate interactive and non-interactive sessions
- #4178 Make model switcher two-stage
- #4475 show "Viewed Image" when the model views an image
- #4586 normalize key hints
- #4584 Fix status usage ratio
- #4454 fix: handle JSON Schema in additionalProperties for MCP tools
- #4615 Support CODEX_API_KEY for codex exec
- #4569 fix: update the gpt-5-codex prompt to be more explicit that it should always used fenced code blocks info tags
- #4579 Store settings on the thread instead of turn
- #4572 Include request ID in the error message
- #4577 canonicalize display of Agents.md paths on Windows.
- #4573 rework patch/exec approval UI
- #4513 Add initial set of doc comments to the SDK
- #4576 Revert "chore: prompt update to enforce good usage of apply_patch"
- #4567 Explicit node imports
- #4568 Fix hang on second oauth login attempt
- #4575 fix: use `number` instead of `bigint` for the generated TS for RequestId
- #4566 fix ctr-n hint
- #4556 feat: add --emergency-version-override option to create_github_release script
- #4563 SDK: support working directory and skipGitRepoCheck options
- #4544 Fall back to configured instruction files if AGENTS.md isn't available
- #4536 Show context window usage while tasks run
- #4509 Show placeholder for commands with no output
- #4468 Add Updated at time in resume picker
- #4559 Handle trailing backslash properly
- #4269 implement command safety for PowerShell commands
- #4555 fix: pnpm/action-setup@v4 should run before actions/setup-node@v5
- #4543 chore: introduce publishing logic for @openai/codex-sdk
- #4286 chore: sanbox extraction
- #4533 Fix Callback URL for staging and prod environments
- #4537 fix: remove mcp-types from app server protocol
- #4532 Add executable detection and export Codex from the SDK
- #4529 fix: use macros to ensure request/response symmetry
- #4525 Remove legacy codex exec --json format
- #4506 wrap markdown at render time
- #4520 Delete codex proto
- #4521 fix: enable process hardening in Codex CLI for release builds
- #4518 fix: clean up TypeScript exports
- #4512 fix: ensure every variant of ClientRequest has a params field
- #4511 Wire up web search item
- #4508 [SDK] Test that a tread can be continued with extra params
- #3846 chore: prompt update to enforce good usage of apply_patch
- #4474 Named args for custom prompts
- #4503 Support model and sandbox mode in the sdk
- #3197 Add cloud tasks
- #4471 fix: separate `codex mcp` into `codex mcp-server` and `codex app-server`
- #4422 Update MCP docs to reference experimental RMCP client
- #4486 Move PR-style review to top
- #4483 SDK CI
- #4485 Set originator for codex exec
- #4482 Rename conversation to thread in codex exec
- #4481 Add MCP tool call item to codex exec
- #4472 Add some types and a basic test to the SDK
- #3531 Rakesh/support device auth
- #4478 Add turn.failed and rename session created to thread started
- #4476 Custom prompts begin with `/prompts:`
- #4458 Fixes
- #4364 reintroduce "? for shortcuts"
- #4470 Custom prompt args (numeric)
- #4469 no background for /command or @file popup
- #4467 render • as dim
- #4461 [Core]: add tail in the rollout data
- #4455 TypeScript SDK scaffold
- #4456 Parse out frontmatter for custom prompts
- #2677 [mcp-server] Expose fuzzy file search in MCP
- #2103 OpenTelemetry events
- #4447 fix clear-to-end being emitted at the end of a row
- #4419 [CODEX-3595] Remove period when copying highlighted text in iTerm
- #4417 feat: introduce npm module for codex-responses-api-proxy
- #4416 Add /review to main commands
- #4408 fix: clean up some minor issues with .github/workflows/ci.yml
- #4406 feat: build codex-responses-api-proxy for all platforms as part of the GitHub Release
- #4404 chore: remove responses-api-proxy from the multitool
- #4412 chore: lower logging level from error to info for MCP startup
- #4403 chore: move pre_main_hardening() utility into its own crate
- #4405 Improve update nudge
- #4332 chore: remove model upgrade popup
- #4362 fix(tui): make `?` work again
- #4336 fix: remove default timeout of 30s in the proxy
- #4330 Edit the spacing in shortcuts
- #4324 tui: separator above final agent message
- #4335 fix: set gpt-5-codex medium preset reasoning
- #4333 docs: refresh README under codex-rs
- #4316 Add "? for shortcuts"
- #4317 [MCP] Add support for streamable HTTP MCP servers
- #4240 update composer + user message styling
- #4309 Add turn started/completed events and correct exit code on error
- #4307 reject dangerous commands for AskForApproval::Never