Core Platform Team/Initiative/MCR schema migration/Epics, User Stories, and Requirements


 * EPIC T231671: Ensure all direct or indirect access to pre-MCR fields is gated with the MCR migration stage.
 * USER STORY T231689: Can get bulk access from code that has been using the 'text' for getQueryInfo
 * USER STORY T231693: No direct or indirect access to pre-MCR fields is ungated
 * USER STORY T231699: A warning is emitted if any pre-MCR fields are accessed
 * EPIC T231672: Stop writing to pre-MCR fields in WMF production (no coding, just config - and fixing bugs)
 * USER STORY T183487: MCR schema migration stage 3: stop using legacy fields
 * EPIC T231673: Make SCHEMA_COMPAT_NEW the default MCR migration schema (trivial change, really, but conceptually a milestone)
 * target 1.34
 * T214308 Force usage of MCR aware database schema
 * make sure update.php works right!
 * EPIC T231674: Remove the ability to write pre-MCR fields, limit the ability to read pre-MCR fields to migration scripts. Remove the MCR migration stage config variable
 * target 1.35
 * T198557 Remove support for writing to the pre-MCR schema
 * Remove migration stage setting