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Liberica JDK19.0.1+11Release Information
Release Notes
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The full version string for this update release is 19.0.1+11. The version number is 19.

Liberica JDK 19.0.1+11

Liberica is a certified, Java SE 19-compliant distribution of OpenJDK 19.0.1 which works on server (Linux x86_64, Linux ARM64, Windows 64), desktop (Windows 64, Windows 32, Mac, Linux x86_64), and embedded devices (Linux ARM64, Linux ARMv7, including Raspberry Pi 2 & 3 (ARMv6 hardfloat)). It has the following notable additions:

  • Linux x86_64 version contains experimental support for ZGC.

  • Linux x86_64, ARMv8 and ARMv7 distributions include a choice of Client VM, Server VM and Minimal VM.

  • Alpine Linux x86_64 version is build with musl support.

  • Windows x86_64, Windows x86, Windows ARMv8, Mac, Linux x86_64, Linux x86 and Linux ARMv7 distributions contain OpenJFX 19.

  • Linux ARMv7 distribution contains Device IO API compiled for Raspberry Pi.

Please refer to the Oracle JDK 19.0.1 release notes for further information on JDK 19 features. This document further outlines the peculiarities of Liberica distribution as compared to Oracle JDK 19 distribution.

Supported Server and Desktop configurations

Liberica is supported on the following OSes:

  • Ubuntu Linux 16.04, 18.04, 20.04 (x86, x86_64, ARMv7, ARMv8)

  • Debian Linux 8, 9, 10 (x86, x86_64, ARMv7, ARMv8)

  • Red Hat, Oracle Linux and CentOS 8x, 6.x, 7.x (x86, x86_64, ARMv7, ARMv8)

  • Alpine Linux 3.7+ (x86_64, ARMv8)

  • SUSE Linux Enterprise 12, 15 and tumbleweed (x86_64, ARMv8)

  • Apple macOS 10.11+ (x86_64, ARMv8)

  • Microsoft Windows 2019, Windows 2016, Windows 2012 R2, Windows 10, Windows 8, Windows 7 (x86, x86_64, ARMv8)

It is also known to work on other Linux distributions and Windows versions.

Note: The minimum supported Linux kernel version is 2.6.18 and GLIBC version 2.6. LibericaFX works on all supported Ubuntu versions, Red Hat Linux family starting from 7.x and SUSE versions with GTK3 backend.

Supported Embedded configurations

Liberica is tested and certified on Raspberry Pi 2, 3 and 4 running the following OSes:

  • Raspbian OS (armhf)

  • OpenSUSE (armv8)

It is also known to work with Debian (armhf) and Ubuntu (armhf).

Liberica JDK 19.0.1 distribution

Liberica JDK 19.0.1 are distributed as .rpm, .zip, .deb and .tar.gz packages. Please select the one which is most appropriate for your purposes.

Liberica JDK 19.0.1 introduced all new features supported by OpenJDK 19.

With the introduction of the Jigsaw feature in JDK 9 and Minimal VM it is now possible to create a Runtime that is sufficient to run your application and trim down the size of the Runtime. To generate a Runtime with just the Minimal VM, add --vm=minimal to jlink options.

Liberica JDK continues to provide support for AOT and Graal JIT. Since in OpenJDK 19 builds these features are deemed experimental and deprecated, it is recommended to compile native executables with Liberica Native Image Kit to avoid errors.

By default, the Liberica uses Server VM. Server VM and Client VM can be enabled with -server and -client command line options, respectively. In case the deployment requires to minimize the footprint, it may be beneficial to use Minimal VM, which emphasises on a minimal footprint. It has C1 JIT compiler only, Serial GC and no serviceability features.

LibericaFX for the Raspberry Pi

Liberica JDK 19 come with a bundled LibericaFX implementation, which is based on OpenJFX. The following tables lists Java FX modules status of Liberica distribution

  • Java FX Graphics - works.

  • Java FX Controls - works.

  • Java FX Media - does not work.

  • Java FX Webkit - does not work.

The following pipelines are known to work: EGL, SW (direct framebuffer) and GTK. By default, Liberica tries to use the accelerated EGL pipeline, which requires the presence of EGL libraries. If they are not found, the implementation falls back to software rendering.

Use the following command line options to specify the rendering pipeline:

  • -Dprism.order=sw forces the use of software rendering pipeline. *

  • -Dprism.order=es2 forces the use of EGL pipeline and hardware acceleration. *

  • -Djavafx.platform=gtk if you would like to launch a LibericaFX application using Liberica from X11.

  • Not supported on Raspberry Pi 4.

Please refer to the following wiki for more information.

Device IO API for the Raspberry Pi

Liberica JDK 19 comes with a bundled OpenJDK Device I/O (DIO) API implementation module. DIO provides a Java API for accessing Raspberry PI GPIO pins and for communicating with peripheral devices:

  • General Purpose Input/Output (GPIO).

  • Inter-Integrated Circuit Bus (I2C), Serial Peripheral Interface (SPI).

  • Universal Asynchronous Receiver/Transmitter (UART).

Please refer to the following wiki for more information.

Security Baselines

BellSoft Liberica follows the security baselines for Oracle Java SE. Please refer to the Oracle documentation for a list of issues fixed in a given release.

Known Issues

LibericaFX and EGL on Raspbian

As of 2017, the default location of Broadcom libEGL.so and libGLESv2.so has changed in Raspbian OS. If you’d like to leverage hardware EGL acceleration available from Broadcom video drivers in LibericaFX while running a recent Raspbian OS, run the following command:

cd /opt/vc/lib
sudo ln -s libbrcmEGL.so libEGL.so
sudo ln -s libbrcmGLESv2.so libGLESv2.so

Issues fixed

IssueDescription

JDK-8289366

Improve HTTP/2 client usage

JDK-8288508

Enhance ECDSA usage

JDK-8287446

Enhance icon presentations

JDK-8286918

Better HttpServer service

JDK-8286910

Improve JNDI lookups

JDK-8286526

Improve NTLM support

JDK-8286519

Better memory handling

JDK-8286511

Improve macro allocation

JDK-8286077

Wider MultiByte conversions

JDK-8285662

Better permission resolution

JDK-8282252

Improve BigInteger/Decimal validation

JDK-8292051

jdk/internal/misc/TerminatingThreadLocal/TestTerminatingThreadLocal.java failed “AssertionError: Expected terminated values: [666] but got: []”

JDK-8291897

TerminatingThreadLocal(s) not registered from virtual thread(s)

JDK-8292240

CarrierThread.blocking not reset when spare not activated

JDK-8291640

java/beans/XMLDecoder/8028054/Task.java should use the 3-arg Class.forName

JDK-8292579

(tz) Update Timezone Data to 2022c

JDK-8292654

G1 remembered set memory footprint regression after JDK-8286115

JDK-8293180

JQuery UI license file not updated

JDK-8284977

MetricsTesterCgroupV2.getLongValueEntryFromFile fails when named value doesn’t exist

JDK-8227651

Tests fail with SSLProtocolException: Input record too big

JDK-8212096

javax/net/ssl/ServerName/SSLEngineExplorerMatchedSNI.java failed intermittently due to SSLException: Tag mismatch

JDK-8292487

Back out the fix forJDK-8281962 from jdk19u

JDK-8287917

System.loadLibrary does not work on Big Sur if JDK is built with macOS SDK 10.15 and earlier

JDK-8028265

Add legacy tz tests to OpenJDK

JDK-8290334

Update FreeType to 2.12.1

JDK-8290000

Bump macOS GitHub actions to macOS 11

JDK-8288499

Restore cancel-in-progress in GHA

JDK-8287906

Rewrite of GitHub Actions (GHA) sanity tests

JDK-8289853

Update HarfBuzz to 4.4.1

JDK-8287672

jtreg test com/sun/jndi/ldap/LdapPoolTimeoutTest.java fails intermittently in nightly run

JDK-8288653

Bump version numbers for 19.0.1

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