GitHub Copilot Code Review GA: does enterprise-default review actually change your PR loop?

What it is

Copilot Code Review is GitHub's AI reviewer that attaches to pull requests, leaves line comments, and can be set to run automatically. The September 23, 2026 changelog marks the GA of two specific pieces: a dedicated personal settings page for automatic review and your default review effort, and an enterprise-wide default review effort setting for organization-owned repositories. In plain terms: individuals get one place to flip auto-review on, and enterprise admins can now push a default "effort" (Lite or Balanced) down the org tree.

The next-work-session test

Concrete scenario: you own three SDK repos and an evals harness. Tomorrow you push a refactor PR that touches a retry wrapper in the agent loop. Before GA, you'd manually request a review or rely on a per-repo config. After GA, if your enterprise admin has set the default to Balanced, that PR gets a Balanced review the moment it opens — and your personal settings page lets you opt your own fork repos into Lite so you aren't paying attention costs on throwaway branches.

What changes in the next session: one less toggle per repo, and a predictable review tier across the org. That's it. It does not replace a human reviewer on anything load-bearing in your agent loop.

Pricing

Copilot Code Review is a Copilot feature, not a separately priced product. Per third-party trackers of GitHub's 2026 pricing, Pro+ $39/user/month and Max $100/user/month for individuals, plus Business $19/seat/month and Enterprise $39/seat/month for organisations, with Business and Enterprise per-seat prices unchanged since the June 2026 shift to usage-based credits. The GA post itself describes the feature as rolling out to an expanded set of Copilot plans without naming them. Treat the specific plan matrix as a vendor claim and confirm on GitHub's own plans page before you buy seats for this one feature — the changelog doesn't enumerate which tiers get which review controls.

What we'd actually use it for

Honestly? Two things.

That's narrower than the "AI reviews your code" pitch. We would not use it as a merge gate on anything touching the agent loop itself — tool-calling, retry/backoff, context assembly. Those still need a human who's read the eval traces.

Limits

• No eval awareness. The reviewer sees diff, not your eval suite's pass/fail history. It will happily approve a change that regresses a tool-use benchmark.
• Effort is a blunt dial. The earlier GA note explains the trade-off plainly: choose Lite for routine changes or Balanced for larger, more complex, or sensitive changes. There's no "deep review for files matching agents/**." You either over-review small PRs or under-review the risky ones.
• Enterprise defaults can be overridden. The default-features policy announced the next day lets admins set behavior for new Copilot features at the enterprise level, but features that have already been explicitly set to enabled or disabled will remain as they are, and preview features will continue to be managed individually by administrators as before. Translation: your rollout will be inconsistent until someone audits every repo.
• Still an LLM reviewer. It hallucinates fixes, flags non-issues, and misses cross-file logic. The GA doesn't change that.
• Not a replacement for codeowners. It won't understand that sdks/python/retry.py should block on a specific maintainer's name.

Try it if

• You're on Copilot Business or Enterprise and want a consistent review floor across repos without writing new tooling.
• You maintain SDKs with lots of drive-by contributor PRs and need a first-pass filter.
• Your team already uses Copilot elsewhere and the review comments won't be a surprise cultural artifact.

Skip it if

• Your PRs are mostly agent-loop or eval changes where correctness depends on runtime behavior, not diff shape.
• You don't have Copilot seats and this one feature isn't worth the plan.
• You already run a stricter static analysis plus custom linter stack — Copilot Code Review will mostly duplicate it with more words.

For the actual configuration surface, the GA changelog post is the one page to read before your next admin meeting. The companion default-enablement policy post matters more than it looks — it's the mechanism that decides whether future Copilot features (including review tweaks) land on your repos by default.