This way, the user has control over their installs. A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC), C++ @luni3359 it basically enables all the options starting with -XX:, because those are experimental. Pops up a window to choose which version (same as the box from the setup wizard), Auto-Detect will need to search the local JDK directory. 16, 17), but if the downloader is implemented we could just bundle 17 and let user install other versions, you could use azul zulu or any other openjdk builds too tho, Azul Java can be used, they have arm too and jre. You signed in with another tab or window. GDLauncher can use the system one, it has to be linked to a JRE 8 and a JRE 17. Also do we know at all if these differ between Oracle and OpenJDK implementations? The logo and related assets are under the CC BY-SA 4.0 license. //Edit: PS: I use Corretto from AWS as my dist. It can be stored in. Currently, the Close PolyMC after game window opens option opens PolyMC after closing Minecraft, even when launched from the CLI. privacy statement. We can choose not to do this, so the argument is further moot. Successfully merging a pull request may close this issue. There's literally no reason to use oracle jdk for Minecraft, not even the Minecraft launcher uses it anymore in 1.17+, and that bug is definitely not caused by your jdk. Did your settings ever reset after launching an older version? Otherwise, it will attempt to use the system Java, as set in Settings. Also do we know at all if these differ between Oracle and OpenJDK implementations? hope it be there soon :)). It has side-by-side installs, you can set the default system version, but then if you have some obscure app that you're still waiting to update to a modern release, you can appease it temporarily. An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods. We don't care what you do with your fork/custom build as long as you follow the terms of the license (this is a legal responsibility), and if you made code changes rather than just packaging a custom build, please do the following as a basic courtesy: If you have any questions or want any clarification on the above conditions please make an issue and ask us. https://github.com/PolyMC/PolyMC/compare/1.1.11.2.0, Allow components to specify Java agents and JVM arguments by @unascribed in #175, Add support for Quilt loader by @Scrumplex in #185 #431, Add buttons to Matrix space and Reddit by @dada513 in #243 and @ZekeSmith in #390, Add Quit after game stop option by @dada513 in #341, Block game launch if Java is incompatible by @Scrumplex in #345, Add grayscale icon for monochrome icon themes by @embeddedt in #370, Track and display game world sizes by @Scrumplex in #373 #387, Add more detailed progress dialog for mod-downloader by @flowln in #380 #409, Add version selector for Technic modpacks by @jamierocks in #384, Add basic filtering to mod downloader by @flowln in #392, Lay groundwork for ARM64 support by @DioEgizio in #397, Add mod loader selection to instance creation by @kthchew in #398, Save custom offline player name by @vlaetansky & @DioEgizio in #407, Add optional menu-bar and keyboard navigation by @kthchew in #411, [Linux] Provide portable builds by @DioEgizio in #351, [Windows] Add support for POLYMC_JAVA_PATHS by @FayneAldan in #357 #360, Improve mod downloader by @flowln in #220 #356 and @dada513 in #375 and @HarryPeach in #395, Switch logo font to Josefin Sans by @Scrumplex in #250, Combine portable and system builds by @Scrumplex in #336, Build script improvements by @oynqr in #333 #344 and @txtsd in #349 and @DioEgizio in #389, Update credits and branding by @Scrumplex in #352, Update license for logos by @ZekeSmith in #383 #385, Change path of help pages by @DioEgizio in #430, Use system libraries if possible by @flowln in #436, [macOS] Switch to Qt 5.15.3 by @DioEgizio in #439, Fix and improve translatable strings by @Scrumplex in #364, Switch to newer Discord logo by @Regular-Baf in #413, [Linux] Flatpak fixes by @dada513 in #355, [Linux] Install missing manpage by @Scrumplex in #417, [FreeBSD] Force system LWJGL natives by @Irgendwer01 in #429, Remove unused notification system by @binex-dsk in #188. You don't need an embedded web browser for a game launcher. To talk directly to us and get involved with development: For people who don't want to use Discord, we have a Matrix Space which is bridged to the Discord server: If there are any issues with the space or you are using a client that does not support the feature, here are the individual rooms: PolyMC is focused on user freedom and free redistributability. So it would be easy to both fetch and use internally If there are any other features from GDLauncher that you would like added don't hesitate to ask. for PolyMC and its related services. Hotspot is the de-facto default on all relevant platforms, and users installing an alternative JVM are presumably knowledgeable enough to configure their own JVM arguments. to your account, For users that are new to modded minecraft and want a launcher that "just works", Use optimized JVM arguments by default (see below), so users aren't leaving free performance gains on the table. I was not kidding in the original suggestion when I said I have never seen these arguments significantly reduce performance (To be clear I'm not accusing you of lying, I'd like to see if you have some vastly different setup to what I know works for sure). PolyMC - Home Or versions of Java? PolyMC is a custom launcher for Minecraft that focuses on predictability, long term stability and simplicity. The auto-detect mechanism works really well for me on GNU/Linux. To disable this, open Settings, then select Minecraft, and finally, un-check Close PolyMC after game window opens or check Quit the launcher after game window closes. Our project has a much greater focus on both user-freedom, as well as the incorporation of new and exciting features and functionality. The PolyMC NixOS package already bundles java. G1GC performance is questionable on Java 7 and not implemented in previous versions. Java 7 has been EOL since 2015, users running it have much more serious problems like all the unpatched security vulnerabilities. Heres the compatibility: Unfortunately, it's really hard to "prove" any specific arguments increase performance. the hotspot JVM hides them behind a scary looking flag, but these features have been in the JVM for upwards of a decade. That alone means we wouldnt use it as a FOSS project and it would be a pain to have users download it, but the official launcher uses openJDK, so these issues are def not caused by the JDK build. Currently the flatpak is bundling Java (version 8, 11. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. It's update-time again. For example, upon creation of a new instance: Only issue with that is fragmentation. Please dont use it anymore. The JVM used by Mojang is the de-facto default, and most users have setups that are very similar or identical to it. Role For users that are new to modded minecraft and want a launcher that "just works" Suggestion Use optimized JVM arguments by default (see below) Benefit so users aren't leaving free performance gains on the table This suggestion is un. I've read this thread diagonally and one idea that nobody brought up - how about having a mapping java version string -> java path in the settings - not hardcoded like someone suggested, just a table with two columns. Let's also not forget that people are on drastically different platforms, and that things that may work on Windows or the latest Linux may not work on say Mac OS, or a LTS release of Linux. Also that reddit post is over 5 years old. Otherwise, it should be up to the user to determine what is best for them. Within the in-game controls menu, you may need to change the "Mode" setting to . Obviously need a progress bar so the user knows that the application didn't freeze on them. Portable builds are provided for AppImage on Linux, Windows, and macOS. For 1.16.5 or older there's a workaround, you need to install an older java binary (note: these links are official MultiMC links, and we can't guarantee the safety of the content on them): After you download the required java binary for your architecture, extract the zip, and move the folder to your PolyMC data folder (%appdata%/PolyMC for notportable, the PolyMC folder for portable builds), you need to go to the PolyMC java settings, then to browse, then go to the folder with this particular java, click java.exe then open. For information about how to get a correct Java version, see: Installing Java. Operating System No response Version of PolyMC PolyMC 1.4.1 Version of Qt QT 6.3.0 Description of bug Any 1.17+ version doesn't work. Nothing much has changed in the last 5 years for GC tuning on Java, the arguments are up to date and useful for modern versions of Minecraft. Minecraft 1.17 and upwards will require Temurin 17 (LTS), while anything below will require Temurin 8 (LTS). I use Arch btw(whew, now I feel better /s), On Debian based you can install multiple too and set default via update-alternatives, but Debian has outdated packages, on Fedora its the same I think but Fedora has up to date, On Debian you can install updated java through the Zulu repo. Feb 06, 2023 9:15:40 PM org.polymc.EntryPoint listen SEVERE: Exception caught from launcher. Further you couldn't even assist the user with installing the oracle jdk because this would require circumventing the login required for the download. This is where the settings for the Java runtime live, like the location of the runtime and any Java arguments to use. As an addendum: it also might be worth adding -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump on Windows, as the official vanilla launcher does that and the name implies it somehow helps with performance. These have debug information in the binaries, so their file sizes are relatively larger. The amount of RAM can be set by changing the numbers in the -Xms and -Xmx arguments. Moving on 06 Mar 2022 multimc PolyMC emerged out of frustration with the MultiMC project and therefore brought controversy with it. I'm pretty sure that all versions can be used by having just 8 and 17 installed. Not much for performance, but on some systems it actually does help.) The entire point of an "optimized default" would be to be something that is more optimized. Roadrunner (I'd suggest Performant as an alternative, but it's quite invasive, just like Optifine and can mess with some mods.) Skip java compatibility checks skips java compatibility checks at game launch. I can't say this without the obligatory phrase . but do any other disto's handle java the way Arch does? Some distros like Gentoo tend to only package LTS versions of java. They have most versions. Prism Launcher (@PrismLauncher) / Twitter
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