Introduces whole-codebase indexing for C++ in GitHub Copilot CLI, significantly speeding up code intelligence.
Developer changelog updates for Sep 22, 2026
Daily archive for Sep 22, 2026: product-level counts, tags, and every published update from this date.
Updates in Sep 22, 2026
Adds Auto-Billing Transfer Billing Group Creation preference to automate billing group setup for two-level transfers.
Fixed intermittent cached redirects on Vercel ISR pages, ensuring correct rendering and proper 404 handling for invalid paths.
Fixed incompatibility with older @astrojs/markdown satteri versions lacking MDX support
Fix image transforms to respect specified quality on certain formats
Fixed incremental builds re-rendering unchanged pages, dev server graph re-evaluation on each request, and i18n routing to respect security.allowedDomains.
Fix syntax highlighting for fenced code blocks when raw HTML is enabled.
Introduces the initial release of the TypeScript content mapper for Astro files.
Fixes a case where rich content diagnostics would not work
Migrated React integration to @vitejs/plugin-react v6 using Oxc for JSX and Fast Refresh, adding an optional Oxc‑based React compiler.
Updated @qwik.dev/partytown to version 0.14.4.
MapLibre GL JS upgraded to 6.9.0, now requires WebGL2 – breaks Safari 14 and older Android browsers.
Fixed a 'Cannot read properties of undefined (reading "startTime")' error in DevTools Performance live metrics.
Fixed several DevTools-related crashes and errors, including setIgnoreMenuShortcuts(), sandboxed renderer script failures, and Invalid guestInstanceId when removing a <webview>.
GPT-6 Sol and Luna are now generally available on Amazon Bedrock, adding two new models for different workload needs
Reduce Events subscription query complexity limit from 250 to 100 points.
Polaris CDN now serves version 1.1 on stable URLs; apps auto‑update with optional pinning to polaris‑1.1.js
Security fix for remote code execution vulnerability in next/og ImageResponse (GHSA‑vcvr‑r3jv‑pc5j).
Enhanced security hardening for next/og
Claude Opus 5.5 model added to GitHub Copilot
Adds automatic dependency deduplication and relocatable node_modules with persistent bin shims after moving projects.
Adds two new GPT-6 models, Sol and Luna, to GitHub Copilot.
Removed the marketCurrencySettingsUpdate mutation and its related types in API version 2027-01.
Updated core source to v1.7.6 and Casper theme to v5.12.5.
Add ability to search for spaces by name or Space ID in the Spaces table, side panel switcher, and via the API.
Claude Opus 5.5 is now available on AWS GovCloud (US) through Amazon Bedrock.
Claude Opus 5.5 is now available on AWS through Amazon Bedrock and the Claude Platform, offering the latest model capabilities.
Added embeddings rate limit, support for LICENSE KEY FILE, and named config properties for rangeable indexes.
Stable release v26.9.2.8.
Updated numerous dependencies and lockfile maintenance (e.g., @sanity/ui, @sanity/themer, pnpm, linters).
Enterprise Observability now streams Content Management API logs to configured AWS S3, Google Cloud Storage, or Azure Blob Storage in near‑real‑time (~5‑minute batches).
Added opt‑in native PostgreSQL pooling, server options for PostgreSQL connections, brick/math 0.20/1.0 support, and valkey:// protocol handling.
Added UI enhancements: theme toggle, dark‑mode enforcement on auth pages, privilege migration card, and updated logos across themes.
Removed legacy SSH algorithms, including support for RSA keys
Added dynamic height support to the Navigation widget, introduced the Custom Component Library core, and fixed combobox clipping
LTS version v26.8.11.7 released.
Optimized LSMKV performance by skipping per‑segment probe timing, removing allocation overhead, pooling segment node readers, sorting map values without reflection, and using pointer‑free keyword memtable entries.
The all‑platform CodeQL bundle (codeql‑bundle.tar.gz/.zst) is deprecated starting with CodeQL CLI 2.27.0.
Added crypto.parsePKCS12 and extensive crypto provider enhancements (RSA PSS, EC JWK handling, Hybrid KEMs, PBKDF2 limits, etc.).
Adds Azure self‑hosted instance discovery to Security Hub AI Inventory, extending AI asset visibility to multi‑cloud environments.
Adds Advanced mode that uses generative AI to auto‑generate data quality rules for Glue tables in seconds.
Route 53 Resolver is now generally available on second‑generation Outposts, delivering local managed recursive DNS on each rack to reduce latency and avoid Service Link hops.
EMR 7.14 introduces new features for EC2, EKS, and Serverless, upgrading Spark to 3.5.8 and Iceberg to 1.10.1.
Introduces 36‑month Long Term Support (LTS) for EMR Spark 8.1.0 / Apache Spark 4.1, extending critical security, bug, and data‑corruption fixes at no extra cost
Fix: Limit declarative routing during base URL ownership checks.
Adds support for SQL Server 2022 Cumulative Update 26 (RDS version 16.00.4265.3.v1) in Amazon RDS Custom.
Preview BigQuery data agent publishing in Gemini Enterprise via Agent Registry with default Google-managed credentials, and GA support for creating and managing protobuf schema bundles for Bigtable tables in the Cloud Console.
Real-Time Transcriptions now automatically starts a secondary speech provider if the primary fails to connect
Attempt DLR event type will be discontinued after September 22, 2026 22:00 UTC.
Adds agent-to-agent (A2A) collaboration, enabling Connect Customer AI agents to interact with each other and external AI agents via text or bidirectional voice.
Introduced Contextual Bandits (beta) for personalized experiments and added Saved Learnings API to reuse past test insights
New repository pull requests UI is now generally available for all users
Increased max accounts per query from 5 to 30
Introduce Compound Alerts that let you combine up to five alert conditions using AND/OR logic.
Introduce a read‑only Contentful Optimization Agent Slack app for querying content performance via plain English
Introduce a filter for subscription reports to include only subscriptions with scheduled cancel, pause, resume actions or with no scheduled change.