See T13096. An install is experiencing a cluster synchronization issue on one node, but the immediate symptom is a held lock.
See PHI410. See PHI348. Multiple installs would like API access to the commit which closes a revision.
See PHI417. An install would like to contextualize the "landed irresponsibly" stories from feed. (I plan to just hide these, there's just a bit of a technical trick which makes it non-trivial.)