---
title: 'Spring Boot 4.2.0-RC1'
url: 'https://www.tutego.de/blog/javainsel/2026/10/spring-boot-4-2-0-rc1'
markdown: 'https://www.tutego.de/blog/javainsel/2026/10/spring-boot-4-2-0-rc1.md'
date: '2026-10-24'
description: 'Spring Boot 4.2.0-RC1 is out with 113 enhancements, fixes, and dependency upgrades. https://spring.io/blog/2026/10/23/spring-boot-4-2-0-RC1-available-now Highlights: faster startup thanks to quicker class/resource lookup in executable jars, a new default Buildpacks builder based on Ubuntu 26.04, an…'
taxonomy:
  category:
    - 'Java News'
    - Spring
---

# Spring Boot 4.2.0-RC1

![Illustration einer tropischen Insel mit Palmen und einem hohen Berg](https://www.tutego.de/blog/javainsel/user/themes/tutego/images/insel-cover.jpg)# Java Blog für Programmierer

[Java Blog für Programmierer](https://www.tutego.de/blog/javainsel/)

## Spring Boot 4.2.0-RC1

24.10.2026 · [Christian Ullenboom](https://www.tutego.de/blog/javainsel/author/admin/)

Spring Boot 4.2.0-RC1 is out with 113 enhancements, fixes, and dependency upgrades. <https://spring.io/blog/2026/10/23/spring-boot-4-2-0-RC1-available-now>Highlights: faster startup thanks to quicker class/resource lookup in executable jars, a new default Buildpacks builder based on Ubuntu 26.04, and a properties migrator that can now fail the app on errors or warnings.

Kategorien: [Java News](https://www.tutego.de/blog/javainsel/category/java-news/), [Spring](https://www.tutego.de/blog/javainsel/category/spring/)

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