These additional changes will be explicitly noted in the release notes and published in the source code in the project repository. It will also include fixes and enhancements that, for one reason or another, are not accepted in the OpenJDK mainstream, but are recognized as important to Microsoft customers and projects. It is mentioned that Microsoft Build of OpenJDK will have a long maintenance cycle with quarterly release of free updates. The distribution is positioned as stable and is already used by many Microsoft products and services, including Azure, Minecraft, SQL Server, Visual Studio Code, and LinkedIn. Note that This OpenJDK distribution published by Microsoft is the company's contribution to the Java ecosystem and an attempt to strengthen interaction with the community. OpenJDK 11 is maintained by Red Hat Company. The OpenJDK 11 branch, which is used in the Microsoft distribution, is classified as LTS versions, whose updates will be generated until October 2024. For commercial use at no charge, it is suggested to use the free OpenJDK package licensed under the GPLv2 with GNU ClassPath exceptions that allow dynamic linking with commercial products. which restricts commercial use and allows free use only in software development or personal use, testing, prototyping, and application demonstration. These fixes and improvements will be noted in the release notes with the available source code.Īs a reminder, Oracle in 2019 transferred its Java SE binary distributions to a new license agreement. The product It is distributed free of charge and is available in source code under the GPLv2 license.īinaries Microsoft Build of OpenJDK may contain fixes and improvements that are considered important to customers and internal users, but have not been incorporated into the upstream OpenJDK project. “While optimizing Java for Azure remains one of our core goals, it is crucial to share that we are involved in other initiatives to make the Java platform even better on areas besides the Cloud,” he said.Microsoft has started to distribute its own Java distribution based on OpenJDK, providing a free open source Java distribution that could compete with Oracle's Java distributions. For many workloads and user preferences, Windows is the OS of choice, and because of that, the Java Engineering Group moved forward with this port to support those users.”īorges also confirmed Microsoft is widely invested in Java, using it across services like Yammer, SQL Server, Minecraft, LinkedIn, and Azure. “With much higher energy efficiency, the use of ARM64 can drastically reduce the cost of data centers and extend the battery life of personal devices. In a blog post, Bruno Borges, Principal Program Manager of the Java Engineering Group, explained how the port can help customers: Working with Javaįor example, all SPEC Java suites will run on the port. With the OpenJDK port for Windows 10 on ARM, Microsoft says dev’s can run most Java workloads. In fact, Redmond has sponsored AdoptOpenJDK since 2018. As one of the contributors to AdoptOpenJDK, jClarity was a previous partner of Microsoft’s. This port extends from Microsoft’s 2019 acquisition of jClarity, which was purchased to help push Azure optimization of Java workloads. Microsoft’s own Surface Pro X is one such device. According to the company’s Java Engineering Group, the port does not have a full suite of features but can be used by developers.īy leveraging OpenJDK, developers can use Java for Windows 10 on ARM 64-bit laptops. Microsoft has announced it has passed the first step of porting OpenJDK for Windows 10 on ARM.
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