November 1, 2026/Product updates

The Reflog: launch week

Tests that learn from every pass, Scenarios with several people in them, a Scenario recorder, much bigger Discovery and Deep Scan, and a first look at Product Map.

October 30, 2026/Engineering

Claude rescued our YC launch video: here's what we learned

The first edit of our launch film took a week, missed the mark and pushed our launch back. We could not afford another delay, so we rebuilt it from the raw 4K footage with Claude Code in a day and got the launch back on track.

October 27, 2026/Product updates

Test your iMessage agent before your users do

Verify can now text your agent from a Composal iMessage number and check the replies against the outcomes in your scenario.

October 26, 2026/Product updates

Post-merge testing with scheduled runs

Agents merge faster than any queue can test. Scheduled runs keep testing what landed, in any environment, on whatever schedule you set.

October 23, 2026/Engineering

Verification is becoming the core of the dev stack

What we are learning from customers as agents change how teams write code, review changes, and check whether features work for users.

October 18, 2026/Engineering

How we use OpenAI Decisions to make browser agents more reliable

How Composal combines product discovery, persistent knowledge, and OpenAI Decisions to run user journeys again—and what our open-source Roder evaluations show.

October 15, 2026/Product updates

Test file uploads with Scenario fixtures

Attach real files to a Verify Scenario, and the testing agent uploads them wherever the app asks for one.

October 13, 2026/Product updates

Verify private AWS apps with AWS Client VPN

AWS Client VPN is now built into Composal Verify. Give browser agents access to private apps and APIs in your VPC, alongside our existing Tailscale support.

October 6, 2026/Vision

The third loop: Continual Agent Verification

CI checks code. CD checks delivery. CAV asks whether users can still succeed as the product changes.

September 14, 2026/Vision

Source control for the age of agents

Git’s storage and maintenance shaped our experience hosting 80,000 repositories. With Composal, we wanted the freedom to build differently.

August 20, 2026/Product updates

The Reflog: week ending August 20

Composal setup brings agent tooling together, Tours add code and conversation to Changes, GitHub checks gate landing, and the CLI explains itself.

August 15, 2026/Product updates

The Reflog: week ending August 15

Repository federation lands, review adds reviewers and live CI logs, Roder expands its execution tools, and Tours and Huddle ship as previews.

August 6, 2026/Product updates

The Reflog: week ending August 6

Change review moves to a global queue, stacks become a first-class primitive, diffs get faster, and hosting learns to drain gracefully.

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