This ticket tracks consistency/isolation work for 1.2.
The sub-tasks that don't target 1.2 will likely be moved somewhere else, or promoted to tasks once this ticket is done, but for now it's handy to have a single view of all the remaining work
|For snapshot read correctness, enforce simple form of leader leases||Open|
|Consistency for alter table operations||Open||Unassigned|
|Cryptographically sign the operation timestamps returned on server responses.||Open||Unassigned|