The change separates three things that are often bundled together: the harness, the subscription that pays for it, and the sandbox that executes it. Builders can switch among supported coding agents behind one interface while reusing existing subscription access and reducing credential exposure inside agent runtimes.
The change is separate from post-quantum TLS. DNSSEC signatures authenticate DNS records, and ML-DSA-44 makes them dramatically larger — 2,420 bytes per signature — while dual-signing with older algorithms creates a downgrade path unless resolvers enforce the post-quantum chain deliberately.
Teams with pinned, custom-image or auto-update-disabled GitHub Actions runners can now see registration or job execution fail before the September 25 cutoff. The migration is not just a one-time jump to v2.329.0: already-registered runners must also stay within 30 days of the latest runner release.
Agent Identity is moving from a standalone credential boundary into a mainstream serverless runtime. Cloud Run can now assign agent identities and register agents/MCP servers automatically, reducing custom discovery and identity plumbing while keeping the runtime integration itself in Preview.
Copilot code review now moves from advisory assessment toward a governed merge gate. The public preview remains off by default, and GitHub’s current docs let administrators separate AI approval itself from whether that approval counts toward required-review policy.
The two August 28 changes move a common production-agent problem out of bespoke application code: builders can derive memory boundaries from authenticated JWT claims, enforce them with Cedar policy, and organize the stored memory using runtime tenant dimensions.
Azure’s old PostgreSQL versions do not switch off on September 1, but they do become a paid legacy choice. Extended Support is automatic, billed by vCore-hour for running servers, and cannot be declined while an unsupported engine version remains in use.
The September 17 GA changes the economics of Neon's backend: free allowances remain, but object storage, function execution and model calls are now metered on paid plans. November 2 adds an OAuth Provider plugin, still labelled beta.
Computer Use is now GA in both Gemini APIs, but it is an action-planning tool, not a hosted remote desktop: clients execute clicks and keystrokes and must handle safety decisions.
WebMCP tools can now emit PostHog's standard `$mcp_tool_call` event through posthog-js. The implementation adds privacy redaction and omits arguments/results, but only works for sites that enable the feature and initialise instrumentation before registering tools.
Cloudflare Private Origins is GA, but not a one-click option for every account: it needs a private-network connection, entitlement and routing setup, and Argo Smart Routing and Aegis remain unsupported.
The RC2/GA schedule has not changed. A PostgreSQL committer now explains why review and backpatch workload overwhelmed the release process, with caveats around attributing every extra bug to AI.
GitHub Apps can now authenticate Copilot SDK workloads without a user's credentials. Organisation admins control installation permissions, usage attribution and budgets.
Copilot now offers model-reviewed action approvals between manual and Allow All. Unlike OS sandboxing, this probabilistic gate can approve unsafe operations; unattended CLI flags may leave unexpectedly broad permissions.
Agent skills join prompts and models as managed runtime configurations; approvals and pinned versions make changing agent behaviour auditable rather than an untracked edit to skill files.
Grafana Pages goes beyond dashboard panels: prompt-built interactive pages can use connected telemetry and invoke external tools via MCP. It is a public Grafana Cloud preview, not a self-managed release.
The EDG front end moved from commercial licences to a public repository and C++ Alliance stewardship on September 30. A fresh October 20 statement confirms permissive commercial reuse, experienced maintainers and work still needed on reflection, coroutines and back ends.
WebKit's Safari MCP server is available in stable Safari 27.0 as well as Technology Preview. It runs locally, but captured page data passes to the connected agent; remote automation must be enabled explicitly.