# Nightly 8.1 Changelogs - 2021

**URL:** <https://forum.inductiveautomation.com/t/nightly-8-1-changelogs-2021/42410>\
**Category:** Ignition Early Access\
**Created:** [January 19, 2021, 7:32pm UTC](https://forum.inductiveautomation.com/t/nightly-8-1-changelogs-2021/42410 "2021-01-19T19:32:07Z")\
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**Author:** ![sreis](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/sreis/32/14631_2.png) [@sreis](https://forum.inductiveautomation.com/u/sreis)\
**Post date:** [June 25, 2021, 4:26pm UTC](https://forum.inductiveautomation.com/t/nightly-8-1-changelogs-2021/42410/105 "2021-06-25T16:26:59Z")

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Nightly Changelog: 8.1.8-b20210625

## Enterprise

**2607: Acknowledgements events not properly synced during full sync**  
Alarm acknowledgement events are longer lost when a full sync is performed between a redundant master and backup.

## Platform

**2645: Internal Historian places data file within scope of Gateway Backup**  
Local SQLite database files used for internal storage profiles (e.g. alarm journal, audit log, tag historian) are no longer included in gateway backups and are now stored within the new /data/local/ directory.

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