gh-aw v0.90.0 (2026-09-28) renders friction cost in step summaries, allows two noop safe-outputs by default, adds five trajectory graders with hardened generator contracts, and bumps gh-aw-mcpg to v0.4.27 / gh-aw-firewall to v0.28.27—shifting from 0.89.22’s sandbox focus toward observability and grading.
Key Takeaways
- ✓Release v0.90.0 after 0.89.22
- ✓Step summaries show friction cost (Cost Management)
- ✓Default max two noop safe-outputs—skip the AI engine with zero AI Credits when work is empty
- ✓Five new trajectory graders + hardened generator contracts
- ✓Infra:
gh-aw-mcpgv0.4.27,gh-aw-firewallv0.28.27; upload-assets summary formatting fix
Key Decision Metrics at a Glance
Heavy Claude Code use: compare subscription limits and API bills
Compare 40 dev plans & simulate token costs vs $20/mo subscriptions
Project Links & Resources
Direct AccessIn-Depth Technical Analysis
Background
After 0.89.x sandbox hardening, gh-aw users still lacked step-level effort signals and cheap empty-run exits when there was no work for the agent.
What shipped
v0.90.0 adds friction cost in step summaries (Cost Management), default dual noop safe-outputs (#64031), five trajectory graders with hardened generators, and MCPG/firewall bumps (v0.4.27 / v0.28.27).
Benchmarks
No aggregate public scores in the release notes; measure Credits on empty runs and grader catch-rate on your workflows.
Get started
Upgrade to v0.90.0, recompile workflows, use noop to skip idle AI engines, enable new graders for trajectory gates. Docs: Quick Start, llms.txt.
Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.
Discussion & Comments
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