Ref T4100. Support viewer(), members(), and add a new none().
- Maniphest Tasks
- T4100: Support query parameterization in typeaheads
- rP6fa9b10914e6: Collapse "Show unassigned tasks" in Maniphest into a parameterized owners…
Restricted Diffusion Commit
- Used all new functions.
- Batch edited tasks with unassign action.
- Saved a query from master, upgrade it to this patch, checkbox migrated cleanly into a "no one" token.