# Changelog
The format is based on [Keep a Changelog].
[Keep a Changelog]: http://keepachangelog.com/en/1.0.0/
## [Unreleased]
## [0.21.0] - 2020-06-04
- Added `ALLOW_EMPTY` to `TrieLayout`. [#92](https://github.com/paritytech/trie/pull/92)
## [0.20.0] - 2020-02-07
- Prefix iterator. [#39](https://github.com/paritytech/trie/pull/39)
- Update trie-root to v0.16.0 and memory-db to v0.19.0 and reference-trie to v0.20.0 [#78](https://github.com/paritytech/trie/pull/78)
## [0.19.2] - 2020-01-16
- Compact proofs support. [#45](https://github.com/paritytech/trie/pull/45)