What's Changed

• fix(preview): Do not try to parse M3U files as MP3 by @paulijar in https://github.com/nextcloud/server/pull/50051
• fix(files): updateAll method by @skjnldsv in https://github.com/nextcloud/server/pull/50078
• fix(Http): Only allow valid HTTP status code values via template by @provokateurin in https://github.com/nextcloud/server/pull/49882
• feat(ocp): calendar event builder api by @st3iny in https://github.com/nextcloud/server/pull/49888
• Add licenses by SPDX identifier, mark shorthand aliases as deprecated by @AndyScherzinger in https://github.com/nextcloud/server/pull/50085
• fix: Correct typo in accessibility toggle in config.sample.php by @joshtrichards in https://github.com/nextcloud/server/pull/50082
• chore(deps): bump @nextcloud/vue from ^8.20.0 to ^8.22.0 by @st3iny in https://github.com/nextcloud/server/pull/50074
• Fix broken taskprocessing api /tasktypes endpoint by @julien-nc in https://github.com/nextcloud/server/pull/50094
• docs(HTTP): Add proper docs for CORS attribute by @provokateurin in https://github.com/nextcloud/server/pull/50070
• 31.0.0 beta 2 by @blizzz in https://github.com/nextcloud/server/pull/50095

Full Changelog: https://github.com/nextcloud/server/compare/v31.0.0beta1...v31.0.0beta2