Are the differences between 1.1.2-3, 1.1.2-4, and ...

# announcements

[xenomachina]

Are the differences between 1.1.2-3, 1.1.2-4, and 1.1.2-5 documented somewhere? I'm seeing lots of surprising NPEs in code when running under 1.1.2-4 that I don't see with 1.1.2-3 or 1.1.2-5.
Thread in Slack Conversation
It seems like SequenceBuilder was broken in 1.1.2-4.