The previous universal primary keys are now stored us unique universal ids in `.uid` and `.id` stores integer primary keys.
This leads to significantly higher storage efficiency of indexes & constraints in link tables with >10 million rows.
A dialogue guides you through the migration process.
- 🚚 Migrate to integer primary keys [PR1229](https://github.com/laminlabs/lamindb/pull/1229) [falexwolf](https://github.com/falexwolf)
- ♻️ More flexible cache management [PR1230](https://github.com/laminlabs/lamindb/pull/1230) [Koncopd](https://github.com/Koncopd)