1# Change Log23All notable changes to this project will be documented in this file.45<!-- bureaucracy goes here -->67## [4.0.0] - 2022-12-2989### Added1011- Entire functionality moved over from cumulus/pallet-collator-selection (v3.0.0). Refactored business logic:12 - Added an extra step for candidacy, `get_license`, at which payment happens. The number of license holders is unlimited. 13 - Only licensed accounts can apply for candidacy with `onboard`. No extra deposits are made.14 - Active candidates may `offboard`, but they will retain their license.15 - Deposit is returned, and candidacy possibly removed with `release_license`.16 - License can be forcibly forfeited and candidacy removed with `force_release_license`.17 - Failing collators' deposits will now be fully slashed, and funds will be redirected to Treasury.18 - Unify `MaxInvulnerables` and `MaxCandidates` into `MaxCollators`.19 - Remove `MinCandidates`.20 - Minimal amount of invulnerables is now 1.21 - Both invulnerables and candidates count against the limits together, however invulnerables ignore `DesiredCollators`.22 - `KickThreshold` is made configurable.23 - `DesiredCollators`, `LicenseBond`, and `KickThreshold` are moved to and referenced from `pallet-configuration`.24 - Naming changes to better reflect the new functionality.25 - More minor changes, tests, benchmarks, etc.