Downstream Keyer 0.2.3

Add option to exclude program scenes per DSK tab

fix output channel to large

fix crash when starting with OBS 27.1 RC1 or higher

• add show and hide transition options
• add tie option, allowing you to transition the DSK when the next global transition occurs.

fix transition reference leak (crash on shutdown)

Fix translation loading

• fix transition memleak (crash on shutdown)
• add hotkeys

add multiple DSK support

update transition list

• add output source
• make sure always one default keyer is loaded
• workaround clear on scene collection cleanup