Blog post: https://fullcalendar.io/blog/2023/01/multimonth-and-more

• feature: multimonth view (#470, #1140)
  • provides multiMonthYear view, which displays 3x4 small months when space permits
  • can extend multiMonth view with custom durations
  • can specify multiMonthMinWidth, which will force wrapping if months are too small
  • can specify multiMonthMaxColumns: 1 to guarantee one column of months
  • can specify multiMonthTitleFormat to customize text above each month
• feature: improved daygrid behavior when multiple weeks/months
  • when many rows, instead of condensing rows, guaranteed min-height, for forcing scrollbars
  • displaying month names for month switchovers, controlled by monthStartFormat
  • a new stock dayGridYear view
• feature: in daygrid/multimonth, +more link has hover effect with grey background color
• feature: @fullcalendar/web-component has shadow option
• feature/fix: from content-injection hooks, returning true does default rendering (#7110)
• feature/fix: CSP nonce value passed to dynamically-injected stylesheets (#7104)
• fix: React event duplication while DnD and updating redux store (#7066, #7067, #7071)
• fix: styles are not applied correctly for elements using shadow DOM (#7118)
• fix: custom view content with JSX doesn't render (#7160)
• fix: resourceAreaHeaderContent overrides headerContent in resource columns (#7153)
• fix: update moment-timezone for latest tz data (#6987)
• fix: dayGrid w/ showNonCurrentDates: false can have final squished row (#7162)
• fix: root-level repo with git submodules shouldn't force ssh protocol (#6714)
• fix: in fullcalendar bundle, FullCalendar.Preact exposed for interop with plugins
• fix: EventApi::toPlainObject now returns allDay property
• locale: add weekTextLong for French locale (#6731, #7144)
• locale: replace "évènement" in French locales (#7108)
• locale: add Uzbek cyrillic translation (#6853)
• locale: update Galician locale (#7103)
• locale: update pt-br locale (#7106)

• fixed: Background color of background events not displayed on Internet Explorer 11 (#6789)

React:

• FIX: Remove need to import react-dom/test-utils for act() (#7140, #7141)

(the fullcalendar and fullcalendar-scheduler assets remain unchanged. use assets from v6.0.3)

Standard/premium

• FIX: Time grid and timeline more-events link positioned incorrectly (#7134, #7115)
• FIX: file extensions of CJS/ESM dist files changed to support Jest (#7113)

React:

• FIX: Maximum update depth exceeded w/ eventContent & dayMaxEvents (#7116)
• FIX: Certain cases of broken rendering w/ React 17 and content-injection (#7127, #7131)
• FIX: Content-injection not using updated function closures for rendering (#7119)

Vue 3:

• FIX: With Webpack, fullySpecified:false workaround no longer needed (#7125, #7114)

Standard/premium:

• FIX: unable to resize an event smaller after initial resize (#7099)

React:

• FIX: re-rendering loop error with navLink and dayCellContent (#7107)

Angular:

• FIX: resource content-injection, when resource element destroyed, throws JS error (#7105)

Vue 2:

• FIX: resource content-injection, when resource element destroyed, throws JS error

Standard/premium:

• FIX: Property type does not exist on type ViewApi (#7056)
• FIX: Expose globalLocales publicly for importing on-demand (#7057)

React:

• FIX: multi-day events rendered by eventContent are overlapping each other (#7089)

Angular:

• FIX: error with eventContent & list view (#7058)

V6 Release Notes and Upgrade Guide

Changes since final beta:

• FIX: certain ng-template names don't work (angular-426)
• FIX: minify CSS that is embedded into JS files
• FIX: more informational README files in published packages
• FIX: daygrid events sometimes not correctly positioned with Vue connectors
• BREAKING: @fullcalendar/icalendar now has ical.js peer dependency

Standard/Premium:

• FIX: jsDelivr default URLs have wrong mime type (#7045)
• FIX: Unmet peer dependency "moment" warning from moment-timezone (#6839)
• FIX: fullcalendar and fullcalendar-scheduler packages accidentally include sourcemaps

Angular:

• FIX: BrowserModule incompatible with lazy-loaded module (angular-423)
• FIX: Inputs should accept undefined/null for compatibility with async (angular-424)
• FIX: content-injections bugs with drag-n-drop and rerendering

Vue:

• FIX: Remove global js 'default' from export maps (#7047)
• FIX: content-injections bugs with drag-n-drop and rerendering

React:

• FIX: Remove global js 'default' from export maps (#7047)

Full v6 upgrade guide:
https://fullcalendar.io/docs/v6/upgrading-from-v5

Standard/Premium:

• FIX: wrong typing for events function and errorCallback (#7039)
• FIX: error with global bundle and individual global locales (#7033)
• FIX: package.json lint warnings (#7038)

React:

• FIX: content-injection functions not directly accepting jsx (#7034)

Angular:

• FEATURE: custom template rendering using ng-template (angular-204)
• FEATURE: expose events/eventSources/resources as top-level component inputs (angular-303)
• FIX: remove fast-deep-equals because Angular prefers ESM for tree shaking (angular-421)
• FIX: backwards incompatibility with Angular 14 types (angular-419)

Full v6 upgrade guide:
https://fullcalendar.io/docs/v6/upgrading-from-v5

Blog post: https://fullcalendar.io/blog/2022/11/v6-beta-released