> For the complete documentation index, see [llms.txt](https://docs.niftykit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.niftykit.com/updates-and-changelog/deprecated-features.md).

# Deprecated features

* Redeemables are being changed to Editions, still using the ERC721a protocol. If any projects using legacy collections are launching, please reach out for help at <support@niftykit.com>.
* Dutch Auction (Discontinued)
* Fee Allocation App (Discontinued)