What does HackerNews think of JetBrainsRuntime?

Runtime environment based on OpenJDK for running IntelliJ Platform-based products on Windows, macOS, and Linux

Language: Java

Level-up your Java Debugging Skills with on-demand Debugging | Oct 2023
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Dcevm is regularly released from JetBrains as part of their JDK. https://github.com/JetBrains/JetBrainsRuntime

Also with 'Java on Truffle' on GraalVM you can use enhanced class reloading https://www.graalvm.org/latest/reference-manual/java-on-truf...

I think hot code reloading did not look that good in a very long time.
The decline and fall of Java on the desktop | Mar 2022
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JetBrains literally has to ship its own fork of the JRE for things like decent font rendering: https://github.com/JetBrains/JetBrainsRuntime

In its success it shows how badly Java has failed.
JDeploy – Deploy desktop Java apps as native bundles on Mac, Linux, and Windows | Feb 2022
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FWIW, there's JetBrains's JetBrainsRuntime project [1] containing Swing patches for eg HiDPI support and other things. Haven't worked with it, nor do I have a stake in it; just mentioning it because JetBrain are one of the few companies delivering kick-ass, commercially successful, mainstream desktop software using Java/Swing today.

[1]: https://github.com/JetBrains/JetBrainsRuntime
IntelliJ Idea 2020.3.1 Is Out with Apple Silicon Support | Dec 2020
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They are using a light fork with most patches improving font rendering/anti-aliasing https://github.com/JetBrains/jdk8u https://github.com/JetBrains/JetBrainsRuntime