Plan mode is now enabled by default with updated interaction guidance in the plan prompt. (#10313, #10308, #10329)
Personality configuration is now stable: default is friendly, the config key is personality, and existing settings migrate forward. (#10305, #10314, #10310, #10307)
Skills can be loaded from .agents/skills, with clearer relative-path instructions and nested-folder markers supported. (#10317, #10282, #10350)
Console output now includes runtime metrics for easier diagnostics. (#10278)

Bug Fixes

Unarchiving a thread updates its timestamp so sidebar ordering refreshes. (#10280)
Conversation rules output is capped and prefix rules are deduped to avoid repeated rules. (#10351, #10309)
Override turn context no longer appends extra items. (#10354)

Documentation

Fixed a broken image link in the npm README. (#10303)

Changelog

Full Changelog: https://github.com/openai/codex/compare/rust-v0.93.0...rust-v0.94.0

#10278 feat: show runtime metrics in console @apanasenko-oai
#10285 display promo message in usage error @willwang-openai
#10302 fix(nix): update flake for newer Rust toolchain requirements @douglaz
#10296 chore(features) remove Experimental tag from UTF8 @dylan-hurd-oai
#10303 Fix npm README image link @fouad-openai
#10306 chore(app-server) add personality update test @dylan-hurd-oai
#10308 plan mode prompt @aibrahim-oai
#10305 chore(core) Default to friendly personality @dylan-hurd-oai
#10307 feat(core,tui,app-server) personality migration @dylan-hurd-oai
#10313 enable plan mode @aibrahim-oai
#10120 feat: fire tracking events for skill invocation @alexsong-oai
#10317 feat: Support loading skills from .agents/skills @gverma-openai
#10282 Make skills prompt explicit about relative-path lookup @xl-openai
#10316 Add websocket telemetry metrics and labels @apanasenko-oai
#10314 chore(config) Rename config setting to personality @dylan-hurd-oai
#10310 chore(features) Personality => Stable @dylan-hurd-oai
#10320 Sync system skills from public repo @gverma-openai
#10322 Sync system skills from public repo for openai yaml changes @gverma-openai
#10323 fix(config) config schema newline @dylan-hurd-oai
#10329 Improve plan mode interaction rules @charley-oai
#10280 Bump thread updated_at on unarchive to refresh sidebar ordering @charley-oai
#10350 fix: System skills marker includes nested folders recursively @gverma-openai
#10351 fix(rules) Limit rules listed in conversation @dylan-hurd-oai
#10354 Do not append items on override turn context @pakrym-oai
#10309 fix(core) Deduplicate prefix_rules before appending @dylan-hurd-oai
#10373 chore(core) gpt-5.2-codex personality template @dylan-hurd-oai
#10375 fix(personality) prompt patch @dylan-hurd-oai
#10371 feat: vendor app-server protocol schema fixtures @bolinfest