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changelog

13 items
Agentsstrong signal

GitHub is retiring six Copilot models and has rebuilt the code review overview

Six models stop working across every Copilot surface on October 19, 2026, and each one has a named replacement. On Enterprise and Business the replacement enables itself unless an administrator has turned it off, so the remaining work sits in configuration that names a model in writing. Separately, Copilot code review reached general availability. Its overview comment now separates open findings from resolved ones and from issues it missed on an earlier pass, and every finding carries a title.

GitHub Changelogverified

Agentsmedium signal

GitHub retires four Copilot models on October 2 and starts charging for seats up front on October 1

Three GitHub changelog entries landed on September 3, 2026, and together they change which models you can pick, what a new seat costs before anyone types anything, and whether you can sign up at all. Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7 go away on October 2, 2026, across every Copilot surface. Gemini 3.8 Flash arrives in its place on Pro, Pro+, Max, Business, and Enterprise. Signups for Business and Enterprise reopen for card and PayPal customers, but every assigned seat is now billed before the person using it gets access.

GitHubverified

Agentsmedium signal

GitHub sets three Copilot dates: seats paid upfront, one chat policy, longer retention

One changelog entry on August 28 carries three separate changes. From September 1, new Copilot Business and Enterprise seats bought by card or PayPal must be paid for before anyone can use them, and existing card customers move to upfront charges on October 1. No earlier than September 28, chat on github.com, chat in GitHub Mobile and the cloud agent become one experience under one policy that is on by default, and chat data then stays for the life of the account instead of 28 days. On the same date, the default effort level for Copilot code review moves from Lite to Balanced.

GitHubverified

Agentsmedium signal

Claude Code 2.1.251 closes six ways a project could widen its own permissions

Anthropic published the release on August 28. Six of its fixes share one shape: something declared inside the working directory — a symlink, a plugin entry, a workflow script, a settings file — reached past the boundary the session had approved. Several changes now stop managed or project settings from weakening the sandbox or injecting credential headers without an explicit approval. The same release adds hooks that fire around a model switch and a per-session prompt-cache line in the cost command.

Anthropicverified

Agentsweak signal

Cursor Cloud Agents no longer need a repository before they can start

Until now a cloud agent needed a connected GitHub account before it could do anything. From August 27 it can be prompted straight away, with Cursor creating an Origin repository in the background and offering to save the work once the build stands.

Cursorverified

Agentsmedium signal

Claude Code 2.1.248 adds a restricted mode and stops leaking credential leftovers

One flag now strips the tools that run code, keeps file access inside the working directory, refuses bypassPermissions and ignores every settings file. The same release stops cloud reviews from uploading tfvars files and editor backups of private keys. Version 2.1.250 followed hours later with fixes only.

Anthropicverified

Agentsweak signal

Claude Code crashed on startup on glibc 2.44, and 2.1.245 says so by name

The release published at 05:13 UTC on August 25 fixes a startup crash on Linux distributions shipping glibc 2.44 — Arch Linux, CachyOS and Fedora Rawhide are named. If the CLI stopped opening on a rolling-release machine this week, this is why.

Claude Code Releasesverified

Agentsmedium signal

A proxy that stripped one header was doubling Claude Code's API bill

Version 2.1.239 fixes streaming on Bedrock behind proxies that remove the response Content-Type header. Claude Code silently fell back to re-running every turn without streaming, and each turn was billed twice. The same release makes cost estimates show the 1.1× premium that data-residency workspaces pay.

Anthropicverified

Toolsmedium signal

llm 0.33 takes the pin out and moves to httpx2

Version 0.32.1 held fresh installs together by pinning the OpenAI Python package below 3.0.0. That was a holding action, and 0.33 does the actual repair: it upgrades to the OpenAI library 3.x and switches its HTTP client from httpx to httpx2. The release also carries changes you will notice in daily use, including a --key option on the embedding commands and server-side tool results that finally show up in llm logs.

Simon Willisonverified

Toolsweak signal

A fresh install of llm broke because the OpenAI library stopped using httpx

Version 0.32.1 pins the OpenAI Python package below 3.0.0 so that new installations work again. Nothing in llm changed to cause the break: it imported httpx while relying on the OpenAI package to bring it along, and when that package dropped httpx the dependency simply stopped arriving. It is a small release with a lesson that outlives it.

Simon Willisonverified

Agentsweak signal

Claude Code 2.1.238 stops memory growth in long sessions

The August 20 release fixes what got in the way during long stretches of work rather than adding features. Tool results returned by subagents are now freed as soon as they leave the recent-view window, so memory in long interactive sessions stops growing without a ceiling. The release also fixes custom output styles sliding back to the default tone mid-session, along with a run of stalls in Remote Control. A new keybindingFlavor setting restores Bash behavior, where Ctrl+W deletes back to the previous space, and claude mcp list no longer starts disabled servers just to check their status.

Anthropicverified

Agentsweak signal

Claude Code 2.1.235 to 2.1.237: Concise style, ANTHROPIC_DEFAULT_MODEL, and spell checking

Three releases in three days change several things about daily work. Version 2.1.237 introduces a built-in Concise output style, in which Claude leads with the result and skips the preamble and the recap, and fixes prompt caching for sessions that go through a proxy gateway or a custom base URL. Version 2.1.236 adds the ANTHROPIC_DEFAULT_MODEL environment variable, which sets the model new sessions start on, and a notify_when_idle option that asks another session to report when it frees up. Version 2.1.235 introduces optional spell checking through aspell, hunspell, or ispell, and reduces memory and processor use for sessions running in the cloud.

Anthropicverified