Chocobo1

>Bumped Windows/macOS Qt version to 6.6.2 I tested Windows binary and there is a (Qt?) bug. Start qbt and open Options dialog and close it. The main window is now...

>Changing the title in WebUI requires restart in order for it to be applied to GUI. I noticed it but I haven't found a non-trivial way to achieve it. Or...

>I would even implement it as UI independent/abstract setting, e.g. "Instance ID" or "Instance name" that is just used by one or another UI as they want. OK. However "Instance...

>I would even implement it as UI independent/abstract setting, e.g. "Instance ID" or "Instance name" that is just used by one or another UI as they want. I hope you...

PR updated, comments addressed.

>Wouldn't it be a good idea to provide automatically generated instance name for non-default instances if there is no custom one is set? I'm not sure. Users might not be...

Superseded by #20729. Thanks for the effort @DoubleSpicy !

>Would it be possible to allow setting these certificates either by path, or by their content? On a second thought, it would definitely be easier for webapi/webui users to transfer...

>Hi. Yes, this would be perfect. Thank you! @rcarpa It is done.

@rcarpa It would be great if you can verify that this PR will work for you.