Java

The Java language team says it has ceased development of Primitive Types in Patterns, instanceof, and switch after five previews; the feature will be removed from JDK 28, and Constant Patterns is planned.

Gradle 9.9.0 compiles Kotlin DSL scripts incrementally (Gradle reports 65% faster recompiles in one test), applies test filters to non-method JUnit tests, and changes Problems API IDs.

Gradle 9.8.1 fixes three high-rated flaws: two Java deserialization bugs in daemon communication and an SSL-failure repository fallback, plus three 9.8.0 regressions.

Oracle's non-LTS Java 27 release makes G1 the universal default garbage collector, ships post-quantum TLS 1.3 key exchange, and finalizes compact object headers by default.

OpenJDK's interim policy bans AI-generated contributions on safety, security, and IP grounds, even as Oracle's CEO and CTO publicly celebrate AI coding productivity elsewhere in the company.

TornadoVM 6.0 removes its JNI and JVMCI dependencies, unifying Java GPU acceleration into one build spanning JDK 21 through 27 while retiring three hardware backends.

JEP 540 has reached Targeted status for JDK 28, adding a standard JSON API to the JDK itself, twelve years after a similar 2014 proposal was never delivered.

JDK 27's initial release candidate moves from August 6 to August 20 to align with Oracle's Critical Patch Update, shrinking the release's feedback window ahead of a nine-JEP September launch.

The June 10 release adds gRPC server and client support, an InetAddressFilter to block SSRF, and a Kotlin 2.3.21 baseline.

Microsoft open-sourced its Eclipse IDE Copilot plugin on May 21, releasing roughly 15,000 lines of Java under MIT and drawing 1,200+ stars within hours.

JUnit 6.1.0, released May 19, absorbs JUnit Pioneer's locale, timezone, and system-property extensions into core while replacing ForkJoinPool with a simpler thread pool for parallel test execution.

Oracle releases JDK 26 with ten JEPs spanning HTTP/3 client support, garbage-collector-independent ahead-of-time object caching, G1 throughput gains of up to 15 percent, and the final removal of the Applet API deprecated since JDK 17.