Finalize migration for backfilling non-ref contextual columns in vulnerabilities table
Summary
This issue tracks the finalization of the background migration that backfills non-ref contextual columns (solution, etc.) in the vulnerabilities table from vulnerability_occurrences records.
The backfill migration was introduced in #556208 and needs to be finalized in 18.9 before proceeding with cleanup work.
Tasks
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Verify the background migration has completed successfully -
Finalize the migration -
Unblock dependent issues: