SDK Bug & Feature Requests

I would like to be able to specify a specific instance for the world SDK portal prefab. Different friendgroups of mine have custom worlds we spawn in using a launch parameter into a specific instance, I would like to "connect" them so we can visit each others shared launch instances without having to use weblinks or navigating menus. It would be much more fun and immersive to be able to just travel through in-world means and build a shared, persistent neighborhood that spans across multiple worlds.

Current if you want to develop Worlds/ Avatars on an Apple Silicon Mac you need to use Rosetta for components of the SDK to still function. This is going to be impossible after in 2028 when Rosetta is removed from Macs. This means it would be ideal if there could be patches made that made the SDK Instruction agonistic. Currently There is only 1 major area that does not support it in the current SDK version (3.10.4): Harmony errors for memory access: Exception: mprotect returned EACCES MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform.SetMemPerms (System.IntPtr start, System.UInt64 len, MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform+MmapProts prot) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform.MakeWritable (System.IntPtr src, System.UInt32 size) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.DetourHelper.MakeWritable (MonoMod.RuntimeDetour.IDetourNativePlatform plat, MonoMod.RuntimeDetour.NativeDetourData detour) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.Platforms.DetourRuntimeILPlatform._HookSelftest (System.Reflection.MethodInfo from, System.Reflection.MethodInfo to) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.Platforms.DetourRuntimeILPlatform..ctor () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.Platforms.DetourRuntimeMonoPlatform..ctor () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) MonoMod.RuntimeDetour.DetourHelper.get_Runtime () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) HarmonyLib.HarmonySharedState.WithState[T] (System.Func`1[TResult] action) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) HarmonyLib.HarmonySharedState.GetPatchInfo (System.Reflection.MethodBase method) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) HarmonyLib.PatchProcessor.Patch () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) HarmonyLib.Harmony.Patch (System.Reflection.MethodBase original, HarmonyLib.HarmonyMethod prefix, HarmonyLib.HarmonyMethod postfix, HarmonyLib.HarmonyMethod transpiler, HarmonyLib.HarmonyMethod finalizer) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0) UdonSharpEditor.UdonSharpEditorManager.PatchInspectorTitleIfNeeded () (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:833) UdonSharpEditor.UdonSharpEditorManager.OnEditorUpdate () (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:785) UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:381) I understand that Mac may not be a supported platform but it would be really nice for VRChat to implement packages and tools that do also work on Arm processors. Not only could this benefit Mac but also windows and Linux Arm based systems. MacOS Version: Tahoe 26.5.1 Unity Version: 2022.3.22f1 (Arm)

On MacOS currently in ClientSim VRCObjectSynced gameObjects when told to change either their Raw Transform or using the TeleportTo() does not allow the synced object to move. The way I encountered this is in this snippet of code: var card = objectPool.TryToSpawn(); Networking.SetOwner(Networking.LocalPlayer, card); card.name = deckManager.cardUtils.GetCardString(cardPulled); var cardSync = card.GetComponent<VRCObjectSync>(); if (cardSync != null) { Debug.Log($"{cardSync.name} Is found for movement"); cardSync.TeleportTo(spawnPoint); } // I also tried the following instead of cardSync.TeleportTo(SpawnPoint): card.transform.position = spawnPoint.position; card.transform.rotation = spawnPoint.rotation; MacOs Verison: Tahoe 26.5.1 SDK Version: 3.10.4 Unity Version: 2022.3.22f1 (Rosetta)

〇 Environment OS: Windows 11 Pro 25H2 Build 26200.8457 Unity: 2022.3.22f1 VRCSDK: 3.10.3 〇 Summary When performing local world tests using Build & Test Your World or Test Your Last Build, launching multiple clients simultaneously may cause the second and subsequent clients to become stuck on a black screen. Launching clients with a delay between each instance can partially mitigate the issue. 〇 Steps to Reproduce Open the VRChat SDK in Unity. Run Build & Test Your World or Test Your Last Build. Launch multiple clients at the same time. The second and subsequent clients may remain stuck on a black screen and fail to proceed. 〇 Additional Reproduction Conditions Based on investigation, this issue appears to be indirectly related to log output. The issue occurs consistently under the following conditions: Disable debug log output for the client. Launch the first client. Launch the second and subsequent clients. The additional clients will consistently become stuck on a black screen. 〇 Possibly Related Issue A potentially related issue, also suspected to be caused by log output, was observed: When two clients are running in a local test and are in the same world, performing a rejoin from one client causes VRChat to crash. After this occurs, VRChat will continue to crash consistently when rejoining the same world, even when running only a single client. This issue can be resolved by deleting the log files in the following directory: %HOMEPATH%\AppData\LocalLow\VRChat\VRChat 〇 Suspected Cause It is likely that a deadlock or similar resource contention involving log files is occurring, causing clients to freeze or crash. 〇 Expected Behavior All clients should launch and enter the world normally when running multi-client local tests. Rejoining a world should not cause crashes regardless of log file state. 〇 Actual Behavior The second and subsequent clients may freeze on a black screen when launched simultaneously. Under certain conditions, rejoining a world causes VRChat to crash persistently until log files are deleted. 〇 Notes This issue significantly impacts local multi-client testing workflows and should be addressed with high priority.

Currently, the VCC always creates Windows projects by default. When installing Unity, the VCC should install the modules required for Android and iOS. It would be nice if users could choose Android or iOS directly instead of switching to it after project creation.

Once out of beta would vrchat still be open to expanding the suggested collision tags? And if so would it be from canny posts, or when they think a tag is popular enough. with contacts being added to worlds the standardization for tags I think is going to be getting a lot bigger. especially if people design systems that use a bunch of specific tags. To take some of the load off of vrchat, having a way people can either create their own tag list or download a list by someone else. and have it show up in editor would help making standard tags people make easier to use.

Similar to the weight slider on constraints, I would love a weight slider on the physbone component. The slider would smoothly blend between the rest pose and the current physics simulation. This would allow for easier blending up/down as part of a blend tree, which have become increasingly popular due the performance considerations of animator layers.

It would be great if we could set an override shader/material to generate the mask of a renderer for the Interact outline shader. The primary reason for this is so the Interact outline can accurately outline objects with a custom vertex displacement shader. I envision this as a component put alongside the Renderer component. It could also have an option to exclude the renderer entirely.

Attampting to upload avatar without adding tags is bugged. It gives an error stating: "tags must be an array: null, tags must be a string: 'null'" The error wont be given if you add atleast 1 tag. Running VRChat SDK - Base and VRChat SDK - Avatars at version 3.10.4

I'm yet to use this SDK, but I had people report this bug to me...: Attached below is the error they get when uploading an avatar. HotFix: Hide and unhide the avatar prefab in the hierarchy.