Issues

• Vaadin 25.3 increased "Invalid security key received from"

  vaadin/flow#26504 · Filter by author knoobie opened on Oct 17, 2026
  11

• Flow client reloads repeatedly on the initial pageshow when startup precedes document load

  vaadin/flow#26502 · Filter by author youngledo opened on Oct 17, 2026
  1

• Public route check of the request matcher logs access denials as WARN

  access-control
  Task

  vaadin/flow#26501 · Filter by author mcollovati opened on Oct 16, 2026
  2

• Java API for the browser Web Notifications API (native OS notifications)

  vaadin/flow#26493 · Filter by author jcgueriaud1 opened on Oct 16, 2026
  3

• RoutePathAccessChecker breaks protected views after login when used with AnnotatedViewAccessChecker

  Impact: LowSeverity: Majorspring
  Bug

  vaadin/flow#26490 · Filter by author mcollovati opened on Oct 16, 2026
  2

• Discuss: should the default PWA offline page include the embedded game?

  needs design
  Task

  vaadin/flow#26460 · Filter by author totally-not-ai opened on Oct 15, 2026
  6

• Update the default PWA offline page to the new design

  Feature

  vaadin/flow#26458 · Filter by author totally-not-ai opened on Oct 15, 2026
  2

• Loading indication lost when a heartbeat reconnect resolves during an in-flight request

  Impact: LowSeverity: Minor
  Bug

  vaadin/flow#26451 · Filter by author caalador opened on Oct 15, 2026
  1

• Add-on frontend sources: own compiler options and a check that declared files exist

  Feature

  vaadin/flow#26398 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Make a wrapped React input usable as a field

  needs design
  Feature

  vaadin/flow#26397 · Filter by author totally-not-ai opened on Oct 13, 2026
  3

• Generate typed Java wrappers from custom-elements.json

  needs design
  Feature

  vaadin/flow#26396 · Filter by author totally-not-ai opened on Oct 13, 2026
  2

• Enter click shortcut fires twice on the focused button

  Impact: HighSeverity: Minor
  Bug

  vaadin/flow#26395 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Name the layout that denies access to a view

  routing
  Feature

  vaadin/flow#26394 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Add a server-side handle for the root element's style

  Feature

  vaadin/flow#26393 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Allow adding a generated stylesheet with Page.addStyleSheet

  Feature

  vaadin/flow#26392 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Add a client-side preference store readable from the server

  needs design
  Feature

  vaadin/flow#26391 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Expose the effective color scheme and other display preferences as signals

  Feature

  vaadin/flow#26390 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Allow switching the theme stylesheet per session

  needs design
  Feature

  vaadin/flow#26389 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Support mixed-direction text: element direction, bdi, isolated parameters

  I18Nneeds design
  Feature

  vaadin/flow#26386 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Add a UI time zone next to the UI locale

  I18N
  Feature

  vaadin/flow#26385 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Allow translating @Menu titles

  I18Nrouting
  Feature

  vaadin/flow#26384 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Remember a user's chosen locale across sessions

  I18Nneeds design
  Feature

  vaadin/flow#26382 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Add a signal for translations that follows the UI locale

  I18N
  Feature

  vaadin/flow#26381 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Let the page direction follow the locale

  I18N
  Feature

  vaadin/flow#26380 · Filter by author totally-not-ai opened on Oct 13, 2026
  1

• Application-specific production bundle is reused when a lazy route needs modules that are only in another route's chunk

  bundleImpact: LowSeverity: Minor
  Bug

  vaadin/flow#26338 · Filter by author totally-not-ai opened on Oct 12, 2026
  1