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*This is a pre-release for the Vaadin 24.9. We appreciate if you give it a try and report any issues you notice.

New and Noteworthy Since Vaadin 24.8

Since Vaadin 24.9, you can start using Vaadin Beta and Release Candidate versions from Maven Central.
Flow:

• add new HTML component <code>
• add new style methods: STYLE_BACKGROUND_POSITION, STYLE_BACKGROUND_SIZE, STYLE_FILTER, STYLE_GAP, STYLE_ROTATE
• add a short method to SortDirection enum (Thanks to @abdurasul29052002)
• add convenient API to set item from DataView
• Upgraded commercial trial experience (read more)

Design System:

• add Tooltip support for SideNavItem
• control manually when CustomField updates value

Hilla:

• support matching wildcard views with subdirectories

Copilot:

• Upgraded commercial trial experience (read more)
• Figma Importer API (read more)

Deprecation

Flow:

• Deprecate HierarchyMapper, HierarchicalCommunicationController, HierarchicalArrayUpdater and HierarchicalUpdate
• Deprecate methods in HierarchicalDataCommunicator (listed here)
• Deprecate webpackOutputDirectory
• Deprecate VaadinSession::setConfiguration(configuraiton)
• Deprecate setRequestedRange and computeRequestedRange
• Deprecate VaadinWebSecurity
• Deprecate arrayUpdater and dataupdater

Design System:

• Deprecate CookieConsent
• Deprecate legacy Grid API (listed here)
• Deprecate TreeGridElement's getNumberOfExpandedRows and isLoadingExpandedRows

*Deprecated APIs will be removed in Vaadin 25

Known Vulnerability

Vaadin 24.9 uses Spring Boot 3.5.x, which includes commons-lang3:3.17.0. Security scanners may report CVE-2025-48924 due to this version. To address the issue, users can override the dependency by adding <commons-lang3.version>3.18.0</commons-lang3.version> to the <properties> section in their pom.xml. More details about the missing latest version of commons-lang3 in the Spring Boot 3.5.x BOM can be found here

Changelogs

• Flow (24.9.0-rc1) and Hilla (24.9.0-rc1)
• Design System
  • Web Components (24.9.0-rc1)
  • Flow Components (24.9.0-rc1)
• TestBench (9.5.0-rc1)
• Feature Pack(24.8.2)
• Modernization Toolkit (Documentation)
  • Feature Pack (Documentation)
  • Dragonfly (Documentation)
  • Modernization Toolkit Analyzer (Analyzer for Eclipse, Analyzer for Maven)
• Multiplatform Runtime (MPR) (7.0.11)
• Router (2.0.0)
• Vaadin Kits
  • AppSec Kit (3.4.0-rc1)
  • Azure Kit (1.0.0)
  • Collaboration Engine (6.6.0-rc1)
  • Control Center (1.4.0-rc1)
  • Copilot (24.9.0-rc1)
  • Kubernetes Kit (2.5.0-rc1)
  • Observability Kit (3.2.0-rc1)
  • SSO Kit (3.2.0-rc1)
  • Swing Kit (2.4.1)

Official add-ons and plugins:

• Spring add-on (24.9.0-rc1)
• CDI add-on (15.2.0)
• Maven plugin (24.9.0-rc1)
• Gradle plugin (24.9.0-rc1)
• Quarkus plugin (2.2.1)