Week 45

JunieReleaseJunie Eco mode hands implementation to a lower-cost model28 Oct GitHub CopilotPlansGitHub Enterprise now includes Copilot for every licensed user28 Oct SierraReleaseSierra launches Compliance Console for outbound agents28 Oct GitHub CopilotReleaseGitHub Copilot Fusion becomes generally available28 Oct GitHub CopilotReleaseGitHub Agentic Workflows become generally available28 Oct AmpPlatformAmp launches an Android app27 Oct Microsoft 365 CopilotReleaseLearning Agent and admin-deployed custom MCP connectors arrive in Copilot27 Oct KiroPlansKiro replaces its upgrade discount with a free first month and 500 trial credits27 Oct GleanReleaseGlean release 565 adds agent import/export and an Azure Files connector27 Oct Google AntigravityReleaseAntigravity 2.28 adds a built-in browser and any-file attachments27 Oct SynthesiaReleaseSynthesia launches a Localization API for dubbing videos at scale27 Oct RunwayReleaseRunway launches Runway Ads for generating and publishing ad variants27 Oct OpenCodeReleaseOpenCode 2.2 adds Desktop plugins and a refreshed desktop app27 Oct OpenAI CodexReleaseGPT-6.1 Terra becomes available in Codex26 Oct

Verified 31 Oct

Changes / Claude Code

Claude CodeRelease1 Sept 2026

Claude Fable 5.1 added as the default Fable model (v2.1.257)

Release v2.1.257 adds Claude Fable 5.1, now the default Fable model.

Receipt

github.com1 Sept

ObservedHigh confidencePublished 1 Sept 2026

Claude Code — official GitHub repository

https://github.com/anthropics/claude-code/releases/tag/v2.1.257 ↗

Read it on github.com ↗

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More from Claude Code

All its changes

7Oct 26
Release
Claude Code adds Claude Haiku 5.5 as its default Haiku model
Claude Code 2.1.293 adds Claude Haiku 5.5, which becomes the default Haiku model on the Anthropic API, with a 1M-token context window.
github.com7 Oct
ObservedHigh confidencePublished 7 Oct 2026
Claude Code — GitHub releases
https://github.com/anthropics/claude-code/releases/tag/v2.1.293 ↗
28Sept 26
Release
Claude Sonnet 5.5 added as the default Sonnet model (v2.1.284)
Release v2.1.284 adds Claude Sonnet 5.5, now the default Sonnet model on the Anthropic API.
github.com28 Sept
ObservedHigh confidencePublished 28 Sept 2026
Claude Code — official GitHub repository
https://github.com/anthropics/claude-code/releases/tag/v2.1.284 ↗
23Sept 26
Availability
Claude Code cloud sessions become generally available
Cloud sessions, previously Claude Code on the web, are now generally available for Pro, Max, Team, and eligible Enterprise users.
anthropic.com23 Sept
ObservedHigh confidencePublished 23 Sept 2026
Anthropic — news
https://www.anthropic.com/news/claude-code-on-the-web ↗

As of 6 Nov 2026