Codex: rust-v0.101.0 Release

Release date:
February 12, 2026
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Release Notes Published

Bug Fixes

  • Model resolution now preserves the requested model slug when selecting by prefix, so model references stay stable instead of being rewritten. (#11602)
  • Developer messages are now excluded from phase-1 memory input, reducing noisy or irrelevant content entering memory. (#11608)
  • Memory phase processing concurrency was reduced to make consolidation/staging more stable under load. (#11614)

Chores

  • Cleaned and simplified the phase-1 memory pipeline code paths. (#11605)
  • Minor repository maintenance: formatting and test-suite hygiene updates in remote model tests. (#11619)

Changelog

Full Changelog: https://github.com/openai/codex/compare/rust-v0.100.0...rust-v0.101.0

  • #11605 chore: drop and clean from phase 1 @jif-oai
  • #11602 fix(core) model_info preserves slug @dylan-hurd-oai
  • #11608 exclude developer messages from phase-1 memory input @wendyjiao-openai
  • #11591 Add cwd to memory files @wendyjiao-openai
  • #11614 chore: reduce concurrency of memories @jif-oai
  • #11619 fix: fmt @jif-oai