**Related issue:** Resolves#38504
**Constituent PRs (merged into this feature branch):**
- #47682 — Fleet UI: APRF Software title details page Library/Inventory
layout
- #47808 — Extend update software installer API to support FMA version
pinning
- #47944 — Fleet UI: APRF library item accordion component
- #48081 — Versions modal, multi-row Library, pinned state
- #48098 — Add `pinned_version` to `edited_software` activity
- #48123 — Auto-update FMA cron
- #48144 — Download a newly-published FMA version when pinned to it
# Checklist for submitter
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or
`ee/fleetd-chrome/changes`. See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.
- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [x] Timeouts are implemented and retries are limited to avoid infinite
loops
- [x] If paths of existing endpoints are modified without backwards
compatibility, checked the frontend/CLI for any necessary changes
## Testing
- [x] Added/updated automated tests
- [x] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates
to one hosts's records do not affect another)
- [x] QA'd all new/changed functionality manually
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added Fleet-maintained app version pinning (Latest, exact, and major)
via a new Versions modal.
* Introduced premium auto-updates for maintained apps with pin-aware
promotion and rollback-safe caching.
* Added expandable library version rows and a Policies modal.
* **Bug Fixes**
* Improved pin handling, cache/manifest hydration, and safer update
behavior on per-app failures and deduplication.
* **UI/UX**
* Refreshed the Software title details experience with new
accordion/list patterns, redesigned details widget/tooltips, and updated
installer presentation.
* **Documentation**
* Expanded Storybook component/page coverage and adjusted Storybook
canvas padding.
* **Tests**
* Added/updated unit and integration tests for pinning, auto-update
flows, and new modal/UI behavior.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
George Karr
0f439f9593