Fix crashes when changing files
Fix GetBackendStatusPort.

Massive Typo :(

(cherry picked from commit a75bc18d325181c8c6702793c0f0239d62d02190)
Fix UPnP playback

Port number was converted to QChar, which caused an invalid URL to be generated.

(cherry picked from commit b26505073b60eb750c45844d05e0fa1e7e2e449c)
Revert "Stop readahead thread if the file isn’t opened try #2"

This reverts commit 8ca6129054eff2932b2ed96468d1b096c0145c38.
Revert "Abort early when trying to open a 0 bytes file size if it’s not being written to"

This reverts commit 6c24a54d85c4def769fb9bbe7a59b3ff71663dc1.
Set version to 0.27.3