Review and apply patches, fix requirements to more specific versions
- review patches (some weren't needed)
- ensure that they're actually applied. I added a new composer plugin that helped.
- fix the version of every requirement to the version that we've been testing so far. Use the
~
operator to let only patch releases auto-update.
It's better to start out with strict version constraints, so that we maintain stability during the migration and tackle the exact update strategy later.