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# Changelog

## Entries

- [SDK v5.1.0 Release: Page Locking and Data Source Updates](https://notion.ferndocs.com/changelog/2025-09-13.md)
- [Multi-Source Databases: API Version 2025-09-03 Announcement](https://notion.ferndocs.com/changelog/2025-08-26.md)
- [Developer Terms Revisions: Refined Scope and Prohibited Uses](https://notion.ferndocs.com/changelog/2024-12-20.md)
- [API Token Format Change: New ntn_ Prefix for Security](https://notion.ferndocs.com/changelog/2024-09-11.md)
- [Developer Terms Update: Enhanced Security Restrictions](https://notion.ferndocs.com/changelog/2024-09-09.md)
- [Changes for April 2024: Added in_trash Property for Pages, Blocks, and Databases](https://notion.ferndocs.com/changelog/2024-04-30.md)
- [Changes for November 27 - December 10, 2023: File Block Names, SDK Fixes, and Australian Dollar Support](https://notion.ferndocs.com/changelog/2023-12-10.md)
- [September 8 - September 21, 2023: Documentation Updates](https://notion.ferndocs.com/changelog/2023-09-21.md)
- [September 6 - September 7, 2023: Formulas 2.0 Launch](https://notion.ferndocs.com/changelog/2023-09-07.md)