# Enhancement rollout log

Useful Tomorrow. This blank worksheet records evidence; it is not an automated test or accessibility certification. Store completed logs in your own project files. Participant names, credentials and personal browsing history are not required.

## Release record

- Version and component:
- User task:
- Exact enhancement and API:
- Working base path:
- Exposure stage and boundary:
- Evidence required before the next stage:
- Blocking conditions:
- Responsible role:

## Environment

- Browser and version:
- Operating system and version:
- Input method:
- Assistive technology and version, if used:
- Relevant settings:
- Test date:

## Evidence matrix

| Category | Exact action | Expected result | Observed result | Evidence location | Pass / fail / not run / inconclusive |
| --- | --- | --- | --- | --- | --- |
| API presence | | | | | |
| Feature behavior | | | | | |
| Keyboard and focus | | | | | |
| Naming / assistive technology | | | | | |
| Enhancement disabled | | | | | |
| Base path without JavaScript | | | | | |

## Withdrawal check

- How the enhancement is disabled:
- Version and environment where withdrawal was exercised:
- Observation that confirms the base task still works:
- Remaining limitation:

## Stage decision

- Hold / expand within a named boundary / withdraw:
- Reason and evidence used:
- Coverage gaps:
- Checks invalidated by the next implementation change:
- Next action and responsible role:
- Review trigger:

Guide: https://usefultomorrow.com/guides/keep-an-enhancement-rollout-log

Primary references:
- https://developer.mozilla.org/en-US/docs/Web/API/HTMLDialogElement/showModal
- https://www.w3.org/WAI/ARIA/apg/patterns/dialog-modal/
- https://sre.google/workbook/canarying-releases/

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