Jumping the licensing shark

LibreOffice is MPL/GPL, and the GPL is very definitely the red-headed step-child. Okay, MPL2 explicitly permits re-licencing as GPL iirc, so there's no reason it shouldn't be MPL-only, but I think the LO crew are covering their backsides.

The original code was released GPL2, and it was Apache that did the audit and said "everything is now Apache 2.0". The LO crew haven't done their own audit, so they're playing safe and leaving the GPL in place, though in practice they might accept code that was solely MPL. They wouldn't touch solely GPL with a barge pole.

Cheers,
Wol