Cal.com v6.1.3 — Release Notes & Engineering Impact

## What's Changed * perf: `getUserAvailability` if `dateRange` is empty, early return by @joeauyeung in https://github.com/calcom/cal.com/pull/26000 * fix: handle invalid timezones gracefully in calendar events by @hbjORbj in https://github.com/calcom/cal.com/pull/27042 * feat: remove Revert.dev dependency from Pipedrive integration by @anikdhabal in https://github.com/calcom/cal.com/pull/22492 * feat: add option to hide duration selector in booking page for multiple durations by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/27033 * refactor: Handle unavailable features on iOS and consolidate Settings UI by @dhairyashiil in https://github.com/calcom/cal.com/pull/27081 * fix: filter out Google system calendars from calendar list by @volnei in https://github.com/calcom/cal.com/pull/27074 * chore: ensure default calendars with trigger.dev apiv2 by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/27058 * refactor: remove Object.freeze hack in getConnectedCalendars by @emrysal in https://github.com/calcom/cal.com/pull/27070 * refactor: remove usage of deprecated user.startTime and user.endTime columns by @emrysal in https://github.com/calcom/cal.com/pull/27085 * refactor: store timestamp instead of boolean for feature opt-in by @eunjae-lee in https://github.com/calcom/cal.com/pull/27080 * feat: add OAuth client developer settings page with approval workflow by @PeerRich in https://github.com/calcom/cal.com/pull/25556 * feat: add Cloudflare URL Scanner for malicious URL detection by @PeerRich in https://github.com/calcom/cal.com/pull/26387 * fix: use orgAwareUsername in troubleshooter getSchedule request by @hariombalhara in https://github.com/calcom/cal.com/pull/27086 * fix: handle incomplete href attributes in workflow email links by @anikdhabal in https://github.com/calcom/cal.com/pull/27094 * feat: add Help Desk search link when KBar has no results by @PeerRich in https://github.com/calcom/cal.com/pull/27062 * fix: prevent HTML encoding in names by @Anshumancanrock in https://github.com/calcom/cal.com/pull/26959 * fix: make linting required for CI by @volnei in https://github.com/calcom/cal.com/pull/27091 * fix: Made changes to the nav dropdown style to maintain the centre lining … by @Recxsmacx in https://github.com/calcom/cal.com/pull/27038 * refactor: remove redundant filtering in service by @meharobaidullah in https://github.com/calcom/cal.com/pull/25874 * fix: scroll issues in Embed by @Ryukemeister in https://github.com/calcom/cal.com/pull/26583 * fix: nav tab stick position by @volnei in https://github.com/calcom/cal.com/pull/27097 * fix: disable booking actions for cancelled/rejected/past bookings by @eeshm in https://github.com/calcom/cal.com/pull/26926 * fix: clic app icon is not showing by @anikdhabal in https://github.com/calcom/cal.com/pull/27101 * fix: The delete icon for workflow actions is set to the minimal color instead of the destructive color. by @Anshumancanrock in https://github.com/calcom/cal.com/pull/27106 * docs: OAuth self serve by @supalarry in https://github.com/calcom/cal.com/pull/27090 * feat: add assigned badge to team event types by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/27036 * perf: add composite index on EventType(parentId, teamId) by @keithwillcode in https://github.com/calcom/cal.com/pull/27099 * fix: Matched styling of Webhooks just like api keys page. by @Recxsmacx in https://github.com/calcom/cal.com/pull/27116 * fix: prevent CalDAV duplicate invitations with RFC-compliant SCHEDULE-AGENT by @yuvrajangadsingh in https://github.com/calcom/cal.com/pull/22434 * fix(umami): add default SCRIPT_URL in zod.ts by @lachlanharrisdev in https://github.com/calcom/cal.com/pull/27114 * test: add e2e test for Feature Opt-In banner by @eunjae-lee in https://github.com/calcom/cal.com/pull/27100 * feat: store utm tags in stripe on signup by @Amit91848 in https://github.com/calcom/cal.com/pull/26838 * feat: add monthly proration processing by @sean-brydon in https://github.com/calcom/cal.com/pull/27002 * refactor: companion event type query parameters by @dhairyashiil in https://github.com/calcom/cal.com/pull/27125 ## New Contributors * @meharobaidullah made their first contribution in https://github.com/calcom/cal.com/pull/25874 * @yuvrajangadsingh made their first contribution in https://github.com/calcom/cal.com/pull/22434 * @lachlanharrisdev made their first contribution in https://github.com/calcom/cal.com/pull/27114 **Full Changelog**: https://github.com/calcom/cal.com/compare/v6.1.2...v6.1.3