If LibreOffice ceases to exist, won't the old installers still work? Is it forkable to a new project? I seem to remember that it was Star Office then Open Office then LibreOffice.
I think such situations are rather big risk that a community that already wasn't very active atrophies or splits and then atrophies. With code bases like that there's also a lot of maintenance so being able to run an old version is not necessarily enough.
I think such situations are rather big risk that a community that already wasn't very active atrophies or splits and then atrophies. With code bases like that there's also a lot of maintenance so being able to run an old version is not necessarily enough.