**Full Changelog**: https://github.com/tholzheim/WikibaseMigrator/compare/v0.0.12...v0.0.13
* adds option of migration marks (26)
* improves UI
* improves naming (24)
* changes item selector table to aggrid to handle large selections better (25)
* adds tooltips to all input and action fields
* adds tsv download option (21)
* adds download option for migration result and failed migrations (22)
* adds configurable migration button (23)