release 0.43 | OpenAI | Page 1

- Delete codex proto (#4520)
- wrap markdown at render time (#4506) - Correctly indents list items with long lines.
- Remove legacy codex exec --json format (#4525) - Updates codex exec --json to new event shapes.
- fix: use macros to ensure request/response symmetry (#4529) - Ensures request/response type symmetry in protocol.
- Add executable detection and export Codex from the SDK (#4532) - Adds executable detection to SDK.
- fix: remove mcp-types from app server protocol (#4537) - Separates app server protocol from MCP.
- Fix Callback URL for staging and prod environments (#4533)
- chore: sanbox extraction (#4286) - Centralizes sandbox planning and execution.
- chore: introduce publishing logic for @openai/codex-sdk (#4543) - Adds publishing for codex-sdk npm package.
- fix: pnpm/action-setup@v4 should run before actions/setup-node@v5 (#4555) - Fixes CI workflow order.
- implement command safety for PowerShell commands (#4269) - Adds command safety for PowerShell on Windows.
- Handle trailing backslash properly (#4559) - Fixes device code login URL handling.
- Add Updated at time in resume picker (#4468)

- Show placeholder for commands with no output (#4509) - Shows "(no output)" for empty command results.
- Show context window usage while tasks run (#4536) - Displays remaining context window percentage.
- Fall back to configured instruction files if AGENTS.md isn't available (#4544) - Allows alternative to AGENTS.md.
- SDK: support working directory and skipGitRepoCheck options (#4563) - Adds options to SDK.
- feat: add --emergency-version-override option to create_github_release script (#4556) - Adds version override for releases.
- fix ctr-n hint (#4566) - Hides ctrl-n hint when not in composer.
- fix: use number instead of bigint for the generated TS for RequestId (#4575) - Changes RequestId type to number.
- Fix hang on second oauth login attempt (#4568) - Fixes OAuth hang on re-login without closing browser.

#release 0.43