# codex rust-v0.153.3 — 0.153.3

- Product: codex (https://whatsnew.fyi/product/codex)
- Vendor: codex
- Date: 2026-09-04
- Version: rust-v0.153.3
- Original notes: https://github.com/openai/codex/releases/tag/rust-v0.153.3
- Permalink: https://whatsnew.fyi/product/codex/releases/rust-v0.153.3

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **added** — Add GPT-6-Astra to the Amazon Bedrock model picker for Mantle and Runtime global/US routes
- **fixed** — Correct GPT-6-Astra's guidance for asynchronous clarification questions to use the supported tool and recognize that it accepts text only

##### New Features
- Added GPT-6-Astra to the Amazon Bedrock model picker for Mantle and Runtime global/US routes. (#42805)

##### Bug Fixes
- Corrected GPT-6-Astra’s guidance for asynchronous clarification questions to use the supported tool and recognize that it accepts text only. (#42809)

##### Changelog

Full Changelog: https://github.com/openai/codex/compare/rust-v0.153.2...rust-v0.153.3

- #42805 [0.153 hotfix] Add GPT-6-Astra to Amazon Bedrock catalogs @celia-oai
- #42809 [0.153 hotfix] Update Astra async-question guidance @rhan-oai