Change multiple transition durations at once.

This would be huge! I've been wanting this for a decade on Premiere. Please implement!

Greetings Fellow editors,

I developed new extension: EXCALIBUR. It has "Apply Transition" command. You select multiple transitions (either shift+click or drag over cuts with cmd/ctrl pressed down). Then call up this command and select duration to apply, all of selected transitions will get same duration.
Watch here, on 11 second: https://youtu.be/lvlgHy5TQx8
And you can assign shortcut to this command.

But it does much more than that, learn more here:
website: http://knightsoftheeditingtable.com/excalibur
overview: https://youtu.be/ecZ-UA3zavw
manuscript: http://manuscript.knightsoftheeditingtable.com/extensions/excalibur

https://forums.adobe.com/message/9372934#9372934 - scroll to bottom to see how Media Composer does it

Yes, and while you're at it, add a way to select all transitions in a range so we can delete or adjust length of them all at once.

It might mean dragging a box around clips to select them, then go to Edit > Select Transitions which will then select the transitions that are touching the clips you have selected.