v25.4.0-alpha4

API Documentation →

Changes Since v25.4.0-alpha3

💥　Behavior Altering Changes

• confirm-dialog,crud
  • ⧉ Use div for confirm-dialog and crud dialog footer (#13082)

🚀　New Features

• card
  • ⧉ Add headingLevel property to card, deprecate titleHeadingLevel (#13192)
• confirm-dialog,crud,dialog,rich-text-editor
  • ⧉ Default heading level to 1 for modal dialogs (#13087)
  • ⧉ Add headingLevel property to dialog and confirm dialog (#13044)
• field-highlighter,vaadin-lumo-styles
  • ⧉ Add line breaks support to field highlighter user tag name (#13050)
• vaadin-core,vaadin
  • ⧉ Add @vaadin/vaadin-core and @vaadin/vaadin meta packages (#12747)

🐛　Bug Fixes

• checkbox,component-base,crud,field-base,message-input
  • ⧉ Release removed node in single-mode slot controller (#13158)
• combo-box,multi-select-combo-box,time-picker
  • ⧉ Blur combo-box input on overlay click instead of touchend (#13130)
• confirm-dialog
  • ⧉ Use role presentation on confirm-dialog header (#13095)
• crud
  • ⧉ Fire crud edit event when edit button is wrapped in cell content (#13212)
• email-field
  • ⧉ Reject consecutive dots in email field domain pattern (#13183)
• field-base,multi-select-combo-box,text-area
  • ⧉ Keep baseline guide in place when input field height is set to auto (#13169)
• field-highlighter
  • ⧉ Respect read-only change right after adding AI marker (#13209)
• grid
  • ⧉ Start row drag from cells in focus button mode (#13206)
  • ⧉ Stop grid overflow attribute loop caused by last row border (#13115)
  • ⧉ Update frozen cell positions when grid direction changes (#13186)
  • ⧉ Skip extra grid render for initially hidden columns (#13086)
  • ⧉ Restore default grid column width when set to null (#13089)
• message-list
  • ⧉ Keep message-list hidden elements from overflowing document (#13083)
• select
  • ⧉ Use flexbox safe alignment for select value center and end variants (#13171)
• select,vaadin-lumo-styles
  • ⧉ Apply small theme font size to Lumo select value (#13091)
• side-nav
  • ⧉ Restore id on side-nav-item children list for aria-controls (#13085)
• tooltip
  • ⧉ Cancel pending tooltip open when removing from DOM (#13170)
• upload
  • ⧉ Preserve upload timeout errors after readyState DONE (#12975)
• Other
  • ⧉ Apply inheritance nearest first in custom elements manifest (#13129)
  • ⧉ Drop stale attribute names from fields in custom elements manifest (#13135)
  • ⧉ Drop read-only attributes from custom elements manifest (#13123)
  • ⧉ Keep only primitive-typed attributes in custom elements manifest (#13122)
  • ⧉ Keep own type and privacy of members in custom elements manifest (#13121)

💅　Polish

• date-picker
  • ⧉ Move InputControlMixin to DatePickerMixin (#13147)
• grid
  • ⧉ Replace grid column _gridValue with private field (#13177)
• grid,vaadin-lumo-styles
  • ⧉ Avoid inherit keyword on grid rows for faster style recalcs (#13120)
  • ⧉ Avoid inherit keyword on grid cells for faster style recalcs (#13059)
• grid-pro,grid
  • ⧉ Use getClosestCell helper, find cell with closest() (#13211)
• icons
  • ⧉ Revert icon deprecations (#13185)
• react-components
  • ⧉ Drop the Polymer workaround from createComponent (#13056)

📝　Documentation

• react-components
  • ⧉ Deprecate Dialog renderer and DialogReactRendererProps (#13078)
  • ⧉ Deprecate Select renderer and SelectReactRendererProps (#13075)
  • ⧉ Deprecate Dialog headerRenderer and footerRenderer props (#13074)
• vaadin-themable-mixin
  • ⧉ Add Lumo injector internal documentation (#13208)
• Other
  • ⧉ Document React packages and available npm scripts (#13036)

🔬　Tests

• card
  • ⧉ Use nested fixtures for card default and custom title (#13151)
• charts
  • ⧉ Disable chart series state animations in visual tests (#13163)
• confirm-dialog,dialog
  • ⧉ Wait for layout before resetting scroll in dialog tests (#13068)
• context-menu
  • ⧉ Dispatch context-menu visual test events on wrapped target (#13193)
• icon
  • ⧉ Read customElements before fixture in iconset lazy upgrade test (#13069)
• react-components-pro,react-components
  • ⧉ Extract until() test helper for reusing in React specs (#13057)

🏠　Internal

• Other
  • ⧉ Fix wc-icons-tool usage instructions, add link to the repo (#13188)
  • ⧉ Update CLAUDE.md to mention yarn test runs unit tests (#13184)
  • ⧉ Extract split-cem functions to manifest/lib with tests (#13167)
  • ⧉ Run Playwright update weekly on Monday (#13156)
  • ⧉ Upgrade Playwright version to 1.64.1 (#13153)
  • ⧉ Find Playwright update patches for any number of artifacts (#13150)
  • ⧉ Add workflow to update Playwright (#13148)
  • ⧉ Add CEM property and attribute defaults to web-types (#13146)
  • ⧉ Reuse CEM helper to sort web-types by code unit (#13143)
  • ⧉ Upgrade eleventy to latest version (#13145)
  • ⧉ Add deprecated JSDoc from CEM to web-types (#13144)
  • ⧉ Simplify web-types generation script (#13142)
  • ⧉ Move public API filters of CEM config to a plugin (#13141)
  • ⧉ Move readonly and class privacy CEM plugins to plugin files (#13140)
  • ⧉ Upgrade lerna version to 10.1.1, update patch (#13136)
  • ⧉ Report custom elements API changes on pull requests (#13117)
  • ⧉ Move CEM config and helpers to private manifest workspace (#13116)
  • ⧉ Sort analyzed files for stable custom elements manifest (#13110)
  • ⧉ Share manifest helpers in web-types and meta packages scripts (#13098)
  • ⧉ Shorten bug template description, remove StackBlitz (#13092)
  • ⧉ Upgrade React tooling to Vitest 5 and Vite 8.3 (#13076)
  • ⧉ Upgrade Playwright version to 1.64.0 (#13067)
  • ⧉ Publish PR preview builds with pkg.pr.new (#13062)