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Make it possible to supply a custom VaadinServletContextInitializer

Status: Open.

#25007 In vaadin/flow;

· AB-xdev opened on Jul 20, 2026

Expose resolved Flow RouterLayout chain in NavigationContext

access-control

Complexity: LowA task can be solved with a low effortA task can be solved with a low effort

navigation

Status: Open.

Feature

#24985 In vaadin/flow;

· Dudeplayz opened on Jul 14, 2026

TypeScript decorators in @JsModule add-on .ts files no longer transpiled (browser SyntaxError) after 25.2.2 vite/rolldown bump

external dependency

Impact: High

regression

Severity: Major

viteTickets related to vite supportTickets related to vite support

Status: Open.

Bug

#24982 In vaadin/flow;

· mcollovati opened on Jul 14, 2026

Shortcuts bubble through parent Dialogs in Vaadin 25

Impact: Low

regression

Severity: Major

Shortcut API

Status: Open.

Bug

#24974 In vaadin/flow;

· probert94 opened on Jul 13, 2026

Add an AfterReloadEvent

preserve-on-refresh

routing

Status: Open.

Feature

#24970 In vaadin/flow;

· OriginalFelix opened on Jul 13, 2026

Copilot devToolsPlugins.push crashes production builds when devToolsPlugins array is never initialized

investigation

waiting for author

Status: Open.

Task

#24963 In vaadin/flow;

· peref opened on Jul 12, 2026

UploadHandler: built-in handlers ignore event.isRejected() when subclassed to reject uploads

upload and download

Status: Open.

Feature

#24923 In vaadin/flow;

· mcollovati opened on Jul 7, 2026

Combination between Dialog.setCloseOnEsc and ModalityMode.STRICT doesn't always work

Impact: Low

Severity: Major

Shortcut API

Status: Open.

Bug

#24907 In vaadin/flow;

· jdewaen opened on Jul 3, 2026

JS error : Uncaught (in promise) InvalidModificationError: Failed to execute 'registerProperty' on 'CSS'

investigation

node/npm/pnpm/bun

Status: Open.

Task

#24883 In vaadin/flow;

· ElZorrito opened on Jul 1, 2026

Provide an option to execute VaadinServletContextInitializer async

performance

spring

Status: Open.

Feature

#24882 In vaadin/flow;

· AB-xdev opened on Jul 1, 2026

Gradle multi-module: production flow-build-info.json is packaged into only the first Vaadin subproject's jar

gradle

Impact: Low

Severity: Major

workaround

Status: Open.

Bug

#24841 In vaadin/flow;

· mvysny opened on Jun 29, 2026

Streaming upload path removed in Flow 25 — getParts() buffers entire upload before streaming starts

enhancement

Status: Open.

Feature

#24828 In vaadin/flow;

· muhammetaltindal opened on Jun 26, 2026