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Java Weekly, Issue 664
2026-09-20 07:55 UTC by baeldung

1. Spring and Java

>> The Arrival of Java 27! [inside.java]

Java 27 is here with a lot of goodies – post-quantum TLS, G1 as the default collector everywhere, compact object headers by default, and improvements across concurrency, JFR, and the Vector API.

Also worth reading:

• >> JDK 27 Security Enhancements [inside.java]
• >> Logpoints Walkthrough [jetbrains.com]
• >> Java 27 in IntelliJ IDEA [jetbrains.com]
• >> Java 21: the foundation for Quarkus 4 [quarkus.io]
• >> Interpreting Pangram [pocoo.org]
• >> Generating Java bytecode: Write yourself a compiler, Part V [nurkiewicz.com]
• >> P(doom) [pocoo.org]
• >> My Writing and GenAI [code-cop.org]
• >> Nail your narrative [martinfowler.com]
• >> Using multiple GitHub accounts on one machine [wimdeblauwe.com]

Webinars and presentations:

• >> Java 27 Launch Stream [inside.java]
• >> Java 27 Technically Within 2 Minutes [inside.java]
• >> Episode 69 “Declassifying Java 27” [IJN] [inside.java]
• >> Quarkus Insights #259: MCP Servers Without the Boilerplate — Introducing reShapr [quarkus.io]
• >> Spring Office Hours Podcast: S5E23 – Java 27 Release Party with Billy Korando [spring.io]
• >> A Bootiful Podcast: Netflix’s Paul Bakker [spring.io]

Time to upgrade:

• >> IntelliJ IDEA 2026.2.3 Is Out! [jetbrains.com]
• >> Quarkus 3.39.3 – Maintenance release [quarkus.io]
• >> A2A Jakarta 1.0.0.Final is released! [wildfly.org]
• >> Vert.x 4.5.34 [github.com/eclipse-vertx]
• >> Elasticsearch 9.5.4 and 9.4.7 [github.com/elastic]
• >> Zuul 4.1.7 and 4.1.4 [github.com/Netflix]
• >> Micronaut Core 5.2.2, 5.2.1, 5.1.15, 4.10.28, 3.10.12, and 5.2.0 [github.com/micronaut-projects]
• >> Helidon 4.5.5 and 3.2.21 [github.com/helidon-io]
• >> Apache Camel 4.22.1 [github.com/apache]
• >> Azul Payara Community 7.2026.9 [github.com/payara]

2. Pick of the Week

>> A faster way to convert a timestamp ➜ Hour, Min, Sec [benjoffe.com]

The post Java Weekly, Issue 664 first appeared on Baeldung.

       

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