# BC Observatory: Hotfix lists

> Microsoft's hotfix lists for Business Central from Microsoft Support, one page per update. Each entry is a row anchored
> by its ID (hotfixes/28.6.md#648146), with links to the code changes that carry the ID as a work item. Frontmatter:
> schemas/frontmatter.hotfix.json.

3 updates, newest first.

- [Update 28.6](28.6.md): 69 entries, 2026-10, application build 28.6.55443
- [Update 28.5](28.5.md): 152 entries, 2026-09, application build 28.5.54151
- [Update 28.4](28.4.md): 180 entries, 2026-08, application build 28.4.53241