{"version":"2.1.7","anchor":"opus-4-5-pro-migration-notification","canonical_anchor":"opus-4-5-pro-migration-notification","heading":"Opus 4.5 Pro Migration Notification","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.7\/e\/opus-4-5-pro-migration-notification","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.7","markdown":"### Opus 4.5 Pro Migration Notification\n\n**What**\n\nPro users who hadn't set a model preference are automatically migrated to Opus 4.5, with a notification displayed.\n\n**Details**\n\n- Only triggers for first-party auth users\n- Shows \"Model updated to Opus 4.5\" notification on next session start\n- Migration only occurs once, tracked via `opusProMigrationComplete` state\n\n**Evidence**\n\n`ww9()` at line 539875 (migration logic), `Xq9()` at line 533528 (notification display, contains `\"Model updated to Opus 4.5\"`)"}