phpBB-Blog/phpBB-Blog-for-3.1 — comment on commit a4b1e807ca501ff0119799c0ddde34fe1c5768bc
File: phpBB-Blog/package.json line 30
By imkingdavid:

So then phpBB automatically assumes >= ? because some extensions that work for 3.1.0 could also work for 3.1.1 and (maybe even) 3.2.0