1# Change Log23All notable changes to this project will be documented in this file.45## [0.1.9] - 2022-10-1367## Added89- EVM event for `destroy_collection`.1011## [0.1.8] - 2022-08-241213## Added1415- Eth methods for collection16 - set_collection_sponsor_substrate17 - has_collection_pending_sponsor18 - remove_collection_sponsor19 - get_collection_sponsor20- Add convert function from `uint256` to `CrossAccountId`.2122## [0.1.7] - 2022-08-192324### Added2526- Add convert funtion from `CrossAccountId` to eth `uint256`.2728## [0.1.6] - 2022-08-162930### Added3132- New Ethereum API methods: changeOwner, changeOwner(Substrate) and verifyOwnerOrAdmin(Substrate).3334<!-- bureaucrate goes here -->3536## [v0.1.5] 2022-08-163738### Other changes3940- build: Upgrade polkadot to v0.9.27 2c498572636f2b34d53b1c51b7283a761a7dc90a4142- build: Upgrade polkadot to v0.9.26 85515e54c4ca1b82a2630034e55dcc804c643bf84344- refactor: Switch to new prefix removal methods 26734e9567589d75cdd99e404eabf11d5a97d9754546New methods allows to call `remove_prefix` with limit multiple times47in the same block48However, we don't use prefix removal limits, so upgrade is49straightforward5051Upstream-Change: https://github.com/paritytech/substrate/pull/114905253- build: Upgrade polkadot to v0.9.25 cdfb9bdc7b205ff1b5134f034ef9973d769e5e6b5455## [0.1.3] - 2022-07-255657### Add5859- Some static property keys and values.6061## [0.1.2] - 2022-07-206263### Fixed6465- Some methods in `#[solidity_interface]` for `CollectionHandle` had invalid66 mutability modifiers, causing invalid stub/abi generation.6768## [0.1.1] - 2022-07-146970### Added7172- Implementation of RPC method `token_owners` returning 10 owners in no particular order.73 This was an internal request to improve the web interface and support fractionalization event.