# CHANGELOG **TBD (TBD):** **Changes**: - Add new command to generate a private key for `headscale` [#290](https://github.com/juanfont/headscale/pull/290) - Fixed issue where hosts deleted from control server may be written back to the database, as long as they are connected to the control server [#278](https://github.com/juanfont/headscale/pull/278) **0.12.3 (2022-01-13):** **Changes**: - Added Alpine container [#270](https://github.com/juanfont/headscale/pull/270) - Minor updates in dependencies [#271](https://github.com/juanfont/headscale/pull/271) **0.12.2 (2022-01-11):** Happy New Year! **Changes**: - Fix Docker release [#258](https://github.com/juanfont/headscale/pull/258) - Rewrite main docs [#262](https://github.com/juanfont/headscale/pull/262) - Improve Docker docs [#263](https://github.com/juanfont/headscale/pull/263) **0.12.1 (2021-12-24):** (We are skipping 0.12.0 to correct a mishap done weeks ago with the version tagging) **BREAKING**: - Upgrade to Tailscale 1.18 [#229](https://github.com/juanfont/headscale/pull/229) - This change requires a new format for private key, private keys are now generated automatically: 1. Delete your current key 2. Restart `headscale`, a new key will be generated. 3. Restart all Tailscale clients to fetch the new key **Changes**: - Unify configuration example [#197](https://github.com/juanfont/headscale/pull/197) - Add stricter linting and formatting [#223](https://github.com/juanfont/headscale/pull/223) **Features**: - Add gRPC and HTTP API (HTTP API is currently disabled) [#204](https://github.com/juanfont/headscale/pull/204) - Use gRPC between the CLI and the server [#206](https://github.com/juanfont/headscale/pull/206), [#212](https://github.com/juanfont/headscale/pull/212) - Beta OpenID Connect support [#126](https://github.com/juanfont/headscale/pull/126), [#227](https://github.com/juanfont/headscale/pull/227) **0.11.0 (2021-10-25):** **BREAKING**: - Make headscale fetch DERP map from URL and file [#196](https://github.com/juanfont/headscale/pull/196)