PHI1165 raises an issue where multiple commits which close a revision may act at the same time, racing in the transaction log. This probably needs a global lock.
PHI1118 is running into an issue with "Audit unreviewed commits" apparently not working correctly.
In PHI1008, when commit X reverts commit Y, we don't write a revert edge between X and revisions associated with Y. We should.
After other changes, commits are sending an extra email like this after discovery:
epriestley added a commit: D20472: Restore "Limit" to dashboard Query panels.
This text is wrong (should be "added a revision"); the edge might be pointed the wrong way; this edge shouldn't send email; and possibly it should just be hidden from the web UI completely (it's fairly well implied by context).