Merge pull request #1452 from jacktrip/dev

Release 2.7.0 Take 2

Bump to 2.7.1-beta4 to test upgrades again

Merge pull request #1451 from jacktrip/bugfix/updater-download-race

Fixing race condition in dblsqd updater logic

Merge pull request #1448 from jacktrip/bugfix/windows-installer-beta-…

…versions

Fix issue with Windows installers not handling beta releases properly

Merge pull request #1446 from jacktrip/bugfix/windows-installer-signing

Fixes for new Windows installer

Merge pull request #1442 from jacktrip/dev

Release 2.7.0

Merge pull request #1438 from jacktrip/bugfix/plc-accelerate-auto-hea…

…droom

Accelerate increases to auto headroom when we know it will help

Merge pull request #1425 from jacktrip/bugfix/windows-installer

Adding some missing files to windows installer

Merge pull request #1407 from jacktrip/dev

Merge dev to main for upcoming 2.6.0 release

Merge pull request #1385 from jacktrip/bugfix/failed-screen-on-startup

Fix for display of failed message screen during startup on Linux