Vaadin Flow 24.1 is out now

Vaadin Flow 24.1: Builds, grids, theming, and prototypes all get faster

Introducing V24.1 Today we are releasing Vaadin Flow 24.1, packed with new features designed to make web application development even faster and easier. In this release, we are excited to introduce two new low-code to pro-code tools, Visual View Builder and Visual Theme Editor. These tools enable ...
Hilla 2.1. is here

Hilla 2.1: Faster development, faster UIs, end-to-end troubleshooting, and more

We are excited to announce the release of version 2.1 of Hilla, the type-safe web framework for Spring Boot. We continue to rapidly advance Hilla to meet the needs of developers that need a reactive frontend (TypeScript with React or Lit) and a Spring Boot backend. This release includes improved ...

It's not a bug, it's a feature: Vaadin Flow 24.1 drastically reduces memory usage

Vaadin Flow 24.1 introduces a small but significant commit, optimizing memory usage by making Vaadin Flow collect UI instances more eagerly from the server memory. The so-called Beacon API, which is nowadays available in all browsers supported by Vaadin, is used to notify the server when the ...

Quick win: Fujitsu supercharges application development with Vaadin's EOD services

Discover how Fujitsu supercharged its application migration process from Vaadin 7 to 14 with Vaadin's Expert-on-Demand (EOD) services. In just a week, Fujitsu had a solid starting point for the new version of the application. Fujitsu Finland is a full-service provider of information technology and ...

Push Notifications: A real-world example with electricity prices

Web Push Notifications, also known as the Web Push API, are a service provided by browser vendors that enable web apps to display operating system notifications to end users, even when the browser window or installed app is closed. While this feature has been available for desktop browsers and ...
Five tips for optimizing memory usage in your Vaadin application

5 tips for optimizing memory usage in your Vaadin application

In my recent blog post, where I showed you how to estimate or measure the memory consumption of your Java application, I promised to provide some simple tips for optimizing your application’s memory usage. Some of the following tips are Vaadin-specific, while others are applicable to JVM services ...

Adding speech recognition to Vaadin apps

Our previous blog post added wake word detection for a Vaadin application using Picovoice. That is a robust in-browser approach to creating always-listening apps. You might want to use that for full speech recognition, but the draft standard web speech API also provides a way to voice-enable ...
Always-Listening Voice Commands for Vaadin web applications

Always-Listening Voice Commands for Vaadin web applications

Make your Vaadin web application more user-friendly and accessible with always-listening voice commands! With this quick 15-minute tutorial, you can integrate voice commands like "Alexa," "Hey Siri," and "Computer" into your application using the Picovoice Porcupine Wake Word Engine. Create a ...
Building a ChatGPT assistant for your documentation

How to build a ChatGPT assistant for your documentation

ChatGPT can be a helpful tool for development and learning. But only if it knows about the technology you're using. The problem with ChatGPT and many other Large Language Models (LLMs) is that they are only trained on data up to a certain date. Tools like Bing, Bard, and ChatGPT plugins allow ...