The second Release Candidate of FW/1 3.5.0 is available for testing.
This Release Candidate contains a few bug fixes discovered since Release Candidate 1. I consider this stable enough to evaluate for production usage at this point – I expect this RC to be the Gold Release unless end user testing uncovers a showstopping issue in the next week or two!
You can read the full list of changes since 3.1 on GitHub, along with accepted pull requests since 3.1..