DayPilot Lite for JavaScript 2026.4.886

Release date: October 9, 2026

Features

• The Scheduler onAfterEventRender event provides access to the rendered event element and its event data [tutorial]

Improvements

Scheduler

• Speed up hourly time-header preparation by skipping redundant date calculations. (883) [demo]
• Reduce floating event label rendering work outside the visible viewport. (884) [demo]

General

• Speed up plain-text HTML escaping across components. (883)
• Reduce DayPilot.Date timestamp access and allocation overhead. (883)

Fixes

Scheduler

• Fixed an error when calling scrollToResource() (core). (873)
• Fixed errors when dispose() is called while deferred setScrollX() or setScrollY() requests are pending (Angular). (873)
• Fixed an error when dispose() is called while a scrollToResource() request is pending (core). (873)
• Fixed zero values of scrollX and scrollY being ignored when passed to update() (core). (874)
• Fixed pending setScrollX() and setScrollY() requests being lost during an unrelated update of a plain config object (Angular). (874)
• Report non-array event and resource loading responses as errors and include the original request with parsing errors. (876) [demo]
• Prevent completed Angular scroll-position requests from overriding subsequent scrolling. (877)
• Prevent delayed row-header scrolling from overwriting a newer grid scroll position. (877)
• Cancel pending touch callbacks on disposal and preserve other instances' touch interactions. (877)
• Preserve time-header label vertical alignment when entering and leaving floating mode, including custom border widths. (879)
• Preserve event padding and vertical alignment in floating labels, including zero padding overrides. (879)
• Preserve interactive HTML content and input state when event labels enter and leave floating mode. (879)
• Preserve custom time-header content, component state and input focus when scrolling, and release floating content correctly during updates and disposal. (879) [demo]
• Honor scrollDelayFloats when refreshing existing event labels while initializing newly rendered labels immediately. (879)
• Persist replacement row data passed to rows.update() across full refreshes and keep row lookups current. (880)
• Correct the TypeScript rows.each() callback signature to receive a Row and return void. (880)
• Refresh viewport geometry and event rendering when the container width changes immediately after initialization. (881)

Calendar

• Report non-array event and column loading responses as errors and include the original request with parsing errors. (876)

Month

• Report non-array event loading responses as errors and include the original request with parsing errors. (876)

General

• Fix DayPilot.Date accepting invalid strings that match inherited property names, such as constructor and __proto__. (875)
• Fix incorrect DayPilot.Date results when parsing the same ISO string with different readLocal settings. (875)
• Route malformed JSON responses through DayPilot.ajax() error callbacks and reject DayPilot.Http promises. (876)
• Fix DatePicker input handling before the first opening and keep typed dates synchronized when the popup is open. (881) [demo]
• Reject malformed date and time fields that would create invalid DayPilot.Date objects. (881)
• Fix Angular ESM packages throwing "DayPilot is not defined" when bundled with esbuild. (882)

NPM Packages

The NPM package version for this release is 6.1.0:

• @daypilot/daypilot-lite-javascript 6.1.0

• @daypilot/daypilot-lite-angular 6.1.0

• @daypilot/daypilot-lite-react 6.1.0

• @daypilot/daypilot-lite-vue 6.1.0