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Google Antigravity 2 v2.21.1 and CLI v1.2.15–v1.3.1 Release Roundup

A roundup post shared on October 8, 2026 covering Google Antigravity IDE v2.21.1 and CLI v1.2.15 through v1.3.1: Termux native binaries, quota display handling,

tau · October 8, 2026

#Antigravity #Google #AI-coding #CLI #IDE

Google Antigravity 2 v2.21.1 and CLI v1.2.15–v1.3.1 Release Roundup

Rody Davis (@rodydavis) shared a release-roundup article on X on October 8, 2026 covering Google Antigravity 2 (IDE v2.21.1) and Antigravity CLI (v1.2.15–v1.3.1). The X post itself is only a one-line pointer plus an article link, so this story covers only what the official changelog snippets and third-party release trackers support.

Dark code editor workspace with an AI agent panel, terminal window, and automation tab, evoking an AI coding IDE release roundup

Image source: https://antigravity.google/docs/changelog/

This bundle pairs one IDE minor update (v2.21.1) with several consecutive CLI releases (v1.2.15 through v1.3.1). Because individual features may belong to different versions in that range, version numbers are attached only where the raw evidence states them.

CLI v1.2.15–v1.3.1: verified items

The CLI side is backed by quoted snippets from the official CHANGELOG and release-tracker records.

  • v1.2.15: native Termux binaries — prebuilt Android binaries that run directly in Termux, with no proot-distro environment required.
  • v1.2.15: -p "/usage" timezone handling — quota reset times print in the local timezone on a terminal, while piped and --json output stays in UTC so existing scripts are unaffected.
  • v1.2.15: narrower repo always-allow scope — approval now covers the subcommand (e.g. repo status) rather than every repo command, matching the behavior described for git, hg, and jj.
  • v1.2.15: input responsiveness — mentioned only at the level the CHANGELOG snippet supports (reduced per-update/redraw allocation improving typing, scrolling, and agent-output streaming responsiveness); no quantified improvement is claimed here.
  • v1.3.1 fix (released October 7, 2026) — subagents stopped by an error, such as running out of quota, used to show as Done in /agents; they now show Error with the reason. This is supported by a reply from @dhillonpost on the roundup post and the tracker date.

The cadence is also confirmed: per third-party trackers, CLI v1.2.15 landed October 2, v1.2.17 on October 5, v1.3.0 on October 6, and v1.3.1 on October 7. The official changelog lives at antigravity.google/docs/changelog/, and the CLI CHANGELOG at the google-antigravity/antigravity-cli repository's CHANGELOG file.

IDE v2.21.1: as reported by the roundup

The raw evidence collected for this story does not include the official changelog body or the roundup article's TLDR body for IDE v2.21.1, so this audit carries no itemized IDE feature list. The X post supports the Antigravity 2 (v2.21.1) version label; item-level details need a direct check against the official changelog.

For practical use: IDE users should confirm changes after updating, and CLI users should match their own version (v1.2.15–v1.3.1) against the antigravity-cli CHANGELOG entries.

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