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Minecraft: Java Edition now uses SDL3

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Re: Minecraft: Java Edition now uses SDL3

#91

Post by hwyadenlaw »

pjmlp wrote: post #69
Night_Thastus wrote: post #59

Earlier quoted context omitted.

It did used to be required. Older Java versions performed pretty terrible. However, Java 17+ completely fixed that. Even the heaviest modded setups run buttery smooth, even on older versions which are not well optimized.

It was more like Minecraft code was horrible, than anything else. Creating objects like crazy, range for in hot paths, not caring about data representation, chosen algorithms,.... JIT and GC were already doing heroic efforts. Yet, it settled Notch for life, which is something to take into account in the usual question regarding which technical stack for games.

For sure. The tech only needs to be good enough to support the game design. For some games that means very high optimisation is needed, and for others it's enough that the screen can refresh before the user gets tired of waiting.

Re: Minecraft: Java Edition now uses SDL3

#92

Post by LelouBil »

malteeez wrote: post #80

The lwjgl bindings for this were written by a member of the GTNH modpack team, thereby completing the chain of vanilla->modded->vanilla once more https://github.com/LWJGL/lwjgl3/pull/1033

How many people working on Minecraft now were modders ?

And how many current persons working on Minecraft are also Modders ?

Re: Minecraft: Java Edition now uses SDL3

#93

Post by sebmaynard »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

I ran geyser with paper for years.. now I pay for 2 realms, and it's so much easier for them and their friends

Re: Minecraft: Java Edition now uses SDL3

#96

Post by TrueSlacker0 »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

I recently did this so the kids and their friends could all play together. I ended up running the paper minecraft server on one of our home linux computers. It runs the java version but this is ok as there is a mod for bedrock to connect to java. I set it up so that the service starts every time the computer boots up so they dont have to run anything to start it. Then once you have it running and open the appropriate ports on your router, technically anyone with a valid java version can connect. But now its time to install 3 mods. geyser, floodgate and via version so its easier for everyone to connect from bedrock on tablets and on versions that are too high while your server is a version behind. As of writing this paper server is still stable on 26.1 not yet to 26.2.

[0] https://modrinth.com has a bunch of mods the kids have enjoyed as well.

Re: Minecraft: Java Edition now uses SDL3

#97

Post by piperswe »

repeekad wrote: post #60
mort96 wrote: post #16

Earlier quoted context omitted.

Delay a release? Sure. But delay a snapshot? Why? By releasing the snapshot in this state, they learn both 1) how big of a problem those known issues are (how often does entering exclusive fullscreen crash the game on Windows? They presumably have telemetry for this), and 2) if there are other, as of yet unknown issues they need to fix before release. The earlier you learn these things, the better. There hasn't ever…

Are snapshots explicitly a beta channel? Or do users get auto updates to them? Testing for bugs in prod shouldn’t be acceptable unless users expect bugs in exchange for getting latest features early in something like a beta channel

Snapshots are the weekly (at least they used to be, I think they're less frequent now) development snapshots - they are explicitly pre-beta versions that you have to opt in to.

Re: Minecraft: Java Edition now uses SDL3

#98

Post by burner54828182 »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

I had Claude code do this for me last night. Setup the whole thing in about 10 minutes with directions on connecting

Re: Minecraft: Java Edition now uses SDL3

#99

Post by munchbunny »

velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

If it’s a problem you’re willing to solve with money and don’t want any special stuff like mods, you can pay for a server with Realms and then you don’t need to think too hard about it.

But the canonical way to do it that is both free and infinitely customizable is to host your own server. It’s pretty straightforward to do these days. However, before you do, I would suggest playing the game a bit to understand what the settings are/mean. You and your kids could play together a bit on a Realms server or a community/public server to get a feel for what you want in a custom server.

Re: Minecraft: Java Edition now uses SDL3

#100

Post by int0x29 »

cogman10 wrote: post #56
velcrovan wrote: post #14

Anyone got any advice for a techy dad with no (zero) Minecraft experience who wants to set up a Minecraft server for the family in 2026? Kids right now are playing on their iPads, and (sometimes) old macbooks/windows PCs.

My main advice, ignore all advice online about JVM tuning minecraft. It's dated and often just wrong. The best thing you can do is run on the latest JVM, set your max memory as high as you can tolerate, and use ZGC. That's it. The JVM tuning guides for minecraft will have you switching and toggling every JVM flag under the sun with extremely dubious "evidence" of the payout for the flags they switch. In some cases, t…

Set JVM heap to half available memory. Mincraft is very much the kind of appication that benifits from filesystem cache to help with loading chunks.

Also if for some reason you are setting the heap size high avoid going past 32 gb unless you tune object alignment. Allocating between 32 and 47 gb will result in an effectively smaller heap. Allocating more than 32 gb can result in performance penalties.

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