Release 3.5.0-RC1

Release 3.4.2

Release 3.4.2-RC1

Release 3.4.1

Release 3.4.1-RC2

Hotfix 3.3.3 (scala#19818)

Fixes scala#19815

contents:
- [c5169f0] - fix by @smarter
- [1f5a667] - forward and backward compatibility tests (by @bishabosha).
Probably, it's overkill, but it's better to be paranoid than sorry. They
only take a few seconds.
- [df10488] - a copy of the 3.3.2 changelog with annotation about the
hotfix.
- [e497a42] - version bump. I decided to stay on 3.3.1 as a reference
version and version that we check the compatibility against.

Release 3.4.1

Release 3.4.0

Release 3.3.2

Release 3.4.0-RC4