Week 45
Latest
JunieReleaseJunie Eco mode hands implementation to a lower-cost modelGitHub CopilotPlansGitHub Enterprise now includes Copilot for every licensed userSierraReleaseSierra launches Compliance Console for outbound agentsGitHub CopilotReleaseGitHub Copilot Fusion becomes generally availableGitHub CopilotReleaseGitHub Agentic Workflows become generally availableAmpPlatformAmp launches an Android appMicrosoft 365 CopilotReleaseLearning Agent and admin-deployed custom MCP connectors arrive in CopilotKiroPlansKiro replaces its upgrade discount with a free first month and 500 trial creditsGleanReleaseGlean release 565 adds agent import/export and an Azure Files connectorGoogle AntigravityReleaseAntigravity 2.28 adds a built-in browser and any-file attachmentsSynthesiaReleaseSynthesia launches a Localization API for dubbing videos at scaleRunwayReleaseRunway launches Runway Ads for generating and publishing ad variantsOpenCodeReleaseOpenCode 2.2 adds Desktop plugins and a refreshed desktop appOpenAI CodexReleaseGPT-6.1 Terra becomes available in Codex
Verified
ToolMarketCap
Changes / OpenAI Codex
OpenAI CodexAvailability

GPT-5.5 retires from Codex for ChatGPT sign-ins

GPT-5.5 is removed from Codex for users signed in with ChatGPT; API-key sessions and the OpenAI API are unaffected, and users are pointed to GPT-6.1 Sol.

Receipt
developers.openai.com
ObservedHigh confidencePublished 14 Oct 2026
OpenAI Codex — changelog
https://developers.openai.com/codex/changelog ↗
Read it on developers.openai.com ↗

Logged from the vendor’s own page. ToolMarketCap records the dated event; it does not rate it.

More from OpenAI Codex

All its changes
  1. Release

    Codex CLI 0.160 adds opt-in Guardian review context and task history browsing

    Browse older tasks in the agent command center, start sessions outside a project with workspace defaults, and opt in to Guardian review capabilities that include context from agent handoffs.

    github.com
    ObservedHigh confidencePublished 1 Oct 2026
    OpenAI Codex — GitHub releases
    https://github.com/openai/codex/releases/tag/rust-v0.160.0 ↗
  2. Release

    Codex CLI 0.159 lets new input steer Codex mid-response

    Opt-in instant_interrupt lets new input steer Codex during model responses or long-running code-mode calls; new sessions get a compact welcome screen.

    github.com
    ObservedHigh confidencePublished 29 Sept 2026
    OpenAI Codex — GitHub releases
    https://github.com/openai/codex/releases/tag/rust-v0.159.0 ↗
  3. Release

    OpenAI launches the Codex desktop app for macOS

    The Codex app is a macOS desktop interface for running parallel agent threads with worktrees, Git tooling, skills and automations.

    developers.openai.com
    ObservedHigh confidencePublished 2 Feb 2026
    OpenAI Codex — changelog
    https://developers.openai.com/codex/changelog ↗

As of 6 Nov 2026