What changed in November 2026

21 changes across 12 tools in November 2026. The busiest were Antigravity CLI (4), Claude Code (3) and Codex (2); most changes were release and model updates.

Saturday, November 14, 2026

Antigravity CLIsecurityAntigravity CLI 1.5.9 stops MCP auth headers leaking on redirectsVersion 1.5.9 stops custom MCP headers being forwarded to other hosts, and opens the run_workflow tool to everyone.Claude CodelimitsMax 20x is now Claude Ultra, with no five-hour limit for verified accountsAnthropic renamed Max 20x to Ultra at the same $200 a month, and verified Ultra accounts no longer have a five-hour usage window.

Friday, November 13, 2026

Antigravity CLImodelAntigravity CLI 1.5.8 adds Gemini 4 Hydrogen and Carbon, with two security fixesGemini 4 Hydrogen and Carbon arrive in the CLI's model picker, alongside fixes for a sandbox proxy bypass and Windows allow-rule bypasses.Claude CodereleaseClaude Code 2.1.325: sandboxed Bash commands ask for permission by defaultBash commands in the sandbox no longer run without a prompt by default, so unattended workflows that relied on that need an opt-in.CodexreleaseCodex CLI 0.169.0: codex exec no longer trusts project config without --trustcodex exec now keeps project config and MCP servers off in untrusted directories, which can break CI jobs that relied on them.CopilotmodelCopilot will drop six models, including Claude Fable 5, on December 14GitHub is removing six models from every Copilot experience on December 14, 2026, so pinned workflows need moving to the replacements.CursorsecurityCursor details breach that put a malicious Claude Code extension in its marketplaceCursor says an attacker used a vendor key to take agent traces and internal data, then served a tampered Claude Code extension to up to 5,000 users for about 11 hours.OpenCodereleaseOpenCode 2.3 runs subagents in the background by defaultSubagents now run in the background and report back, and transcripts are condensed by default.

Thursday, November 12, 2026

AmpmodelAmp replaces its Dial with a per-thread model selectorAmp's low/medium/high/ultra modes are gone; you now pick a model and effort for each thread.Antigravity CLIsecurityAntigravity CLI 1.5.7: Auto becomes the default mode, and an admin-review bypass is fixedNew sessions and headless runs now start in Auto mode, and a hook or allow rule can no longer skip admin-enforced review.

Tuesday, November 10, 2026

Augment CodereleaseAuggie CLI 1.2.0: a stable 1.x rewrite with breaking changesAugment’s terminal agent reached its first stable 1.x release, rebuilt on an open-source agent core.Gemini CLIreleaseGemini CLI 0.68.0 shows rate-limit countdownsThe latest stable Gemini CLI shows a countdown when you hit a 429 rate limit, and adds Auto to /model in some setups.GoosereleaseGoose 1.59 makes live voice configurable and lets subagents resumeVersion 1.59.0 makes live-voice settings configurable and lets finished subagents be resumed.

Monday, November 9, 2026

Claude CodemodelClaude Fable 5.2 becomes Claude Code's default Fable modelClaude Code 2.1.321 adds Fable 5.2 as the default Fable model, and saved Fable 5.1 picks move over automatically.GoosereleaseGoose 1.58 adds a context-window viewer and new providersVersion 1.58.0 adds context-window reporting and three new model providers.

Thursday, November 5, 2026

CursorreleaseCursor cloud agents can now build, host and publish live appsCloud agents can scaffold an app, set up a database and sign-in, host it and publish it once security checks pass.

Wednesday, November 4, 2026

Antigravity CLIreleaseAntigravity CLI 1.5.0 can run as an editor agent server and on remote agentsThe CLI gains an Agent Client Protocol server mode for editors and can run conversations on remote agents.KiropricingKiro adds team credit pooling at $20 a seatTeams can now share credits in a common pool, with 500 credits added per $20 seat.ZedreleaseZed 1.27 removes agent checkpointsZed's agent panel no longer offers checkpoints or Restore Checkpoint for undoing agent edits.

Tuesday, November 3, 2026

KiroreleaseKiro CLI 3.0: V3 becomes default; Classic, desktop app and autocomplete retiredKiro CLI 3.0.0 makes the V3 agent the default and retires Classic mode, the CLI desktop app and inline autocomplete.

Sunday, November 1, 2026

CodexlimitsChatGPT and Codex will share one usage allowance from DecemberFrom December, Plus, Pro and Business plans get a single token-based allowance that covers both ChatGPT and Codex.