Status:
Working on it
Start update-process by clicking on application taskbar button or desktop shortcut
Currently MSIX deployed desktop application (eg. Winforms or WPF) are automatically updated only when app is launched by Start menu item. When user launch app by clicking on app taskbar button or on ...
Not to ruin the mood here, but I just want to point out that this is also an issue with ClickOnce for .NET Core 3.1 and above, so any hope of migrating back to ClickOnce doesn't save you either.
See the official response from Microsoft here:
https://developercommunity.visualstudio.com/t/clickonce-application-not-updating-if-run-from-pin/1330922
Spoiler alert, they say they're not fixing it for ClickOnce...