Open Beta

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Regarding the recent issue with '500th person to join'
After 5 hours of normal gameplay in the same world, got hit with this.... 2026.03.04 19:56:16 Debug - [Behaviour] OnPlayerLeftRoom 2026.03.04 19:56:16 Debug - [Behaviour] OnPlayerLeft VRCPlayer[Remote] 82480302 500 () 2026.03.04 19:56:16 Warning - [Cyan][PlayerPool] Could not find index for leaving player: 500 2026.03.04 19:56:16 Error - [Cyan][PlayerPool] Cannot return player index if index is invalid! Player: 500 2026.03.04 19:56:16 Error - [LIFTUP] ERROR: Couldn't find the player that left 2026.03.04 19:56:16 Debug - Removed player 2026.03.04 19:56:16 Debug - [Behaviour] Destroying 2026.03.04 19:56:16 Error - Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at ÍÏÎÌÍÎÎÌÌÏÌÌÍÌÎÍÎÍÎÎÌÌÌ+ÎÎÎÍÌÍÌÌÎÏÌÏÌÏÌÍÍÍÌÌÍÏÏ.MoveNext () [0x00000] in <00000000000000000000000000000000>:0 at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) [0x00000] in <00000000000000000000000000000000>:0 2026.03.04 19:56:16 Debug - [Behaviour] OnPlayerLeftRoom 2026.03.04 19:56:16 Debug - [Behaviour] OnPlayerLeft VRCPlayer[Remote] 82480302 500 () 2026.03.04 19:56:16 Warning - [Cyan][PlayerPool] Could not find index for leaving player: 500 2026.03.04 19:56:16 Error - [Cyan][PlayerPool] Cannot return player index if index is invalid! Player: 500 2026.03.04 19:56:16 Error - [LIFTUP] ERROR: Couldn't find the player that left 2026.03.04 19:56:16 Debug - Removed player 2026.03.04 19:56:16 Debug - [Behaviour] Destroying Strangely, I had not chosen to leave the world. The game just left me in limbo, trapped under the world at 0,0,0. I was still receiving joins and leave notifications, but attempts to respawn were met with 'No Valid Spawn Points' After about 5 minutes of poking at things my logfile bloated with an extra 20 megabytes of the following... 2026.03.04 19:56:16 Error - Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at ÍÍÎÌÎÌÎÏÌÌÍÏÏÏÏÌÎÏÍÎÌÍÍ.ÏÏÎÍÍÏÏÌÍÏÌÍÎÎÍÌÏÏÏÎÍÏÍ (ÌÏÎÎÌÌÏÎÍÎÎÍÍÏÎÏÏÏÌÏÎÏÎ ÏÎÍÍÎÎÍÌÏÍÏÍÌÍÍÌÎÏÎÌÌÎÎ) [0x00000] in <00000000000000000000000000000000>:0 at ÎÏÌÍÌÌÎÌÍÌÏÎÍÏÌÎÌÏÏÍÍÌÌ.ÏÎÏÎÌÏÎÏÎÍÎÍÍÏÍÏÌÏÏÎÏÎÏ () [0x00000] in <00000000000000000000000000000000>:0 at VRC.Networking.Pose.PoseAV3Update.ÏÏÎÍÍÍÍÎÌÏÎÎÎÏÍÎÌÎÏÍÏÍÏ () [0x00000] in <00000000000000000000000000000000>:0 2026.03.04 19:56:16 Error - Object reference not set to an instance of an object. System.NullReferenceException: Object reference not set to an instance of an object. at ÍÍÎÌÎÌÎÏÌÌÍÏÏÏÏÌÎÏÍÎÌÍÍ.ÏÏÎÍÍÏÏÌÍÏÌÍÎÎÍÌÏÏÏÎÍÏÍ (ÌÏÎÎÌÌÏÎÍÎÎÍÍÏÎÏÏÏÌÏÎÏÎ ÏÎÍÍÎÎÍÌÏÍÏÍÌÍÍÌÎÏÎÌÌÎÎ) [0x00000] in <00000000000000000000000000000000>:0 at ÎÏÌÍÌÌÎÌÍÌÏÎÍÏÌÎÌÏÏÍÍÌÌ.ÏÎÏÎÌÏÎÏÎÍÎÍÍÏÍÏÌÏÏÎÏÎÏ () [0x00000] in <00000000000000000000000000000000>:0 at VRC.Networking.Pose.PoseAV3Update.ÏÏÎÍÍÍÍÎÌÏÎÎÎÏÍÎÌÎÏÍÏÍÏ () [0x00000] in <00000000000000000000000000000000>:0 Unable to find a way out, I eventually left the world and rejoined. 2026.03.04 20:05:07 Error - Attempted to apply head chopping when it was already applied 2026.03.04 20:05:07 Debug - [NetworkProcessing] Holding message 74 from 0 2026.03.04 20:05:07 Debug - [NetworkTransport] Holding message 12 from 87 2026.03.04 20:05:07 Debug - [NetworkTransport] Holding message 12 from 452 2026.03.04 20:05:07 Error - Attempted to apply head chopping when it was already applied 2026.03.04 20:05:07 Debug - [Behaviour] OnLeftRoom 2026.03.04 20:05:07 Debug - [Behaviour] Cleaning up held messages After rejoin, normal gameplay resumed and I continued to play for another hour without issue.
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Bug Report
Testing the AMD Stutter Workaround on the RX 7900XT / RX 9070 XT
I have been using "--disable-amd-stutter-workaround" and "--enable-hw-video-decoding" since December 2024, and the 7900 XT was running smoothly with those settings. I am using a PICO 4 as my VR HMD. It would be ideal to test with devices such as the VIVE or Index, but since I do not own them, my testing is limited to wireless streaming only. I tested the open beta (Build 1797) using the 7900 XT with driver version 25.12.1, using both Virtual Desktop and PICO Connect. It ran without any issues. (Of course, I did not use the stutter workaround launch options in the open beta.) Next, I tested the open beta (Build 1797) with the 9070 XT and driver version 26.2.1. Performance was very good with both PICO Connect and Steam Link. In Steam Link, slight reprojection was visible in the frame time graph, but it was not noticeable during actual gameplay. With Virtual Desktop, the behavior seems unstable as soon as SteamVR is launched, and stuttering occurs regardless of whether those options are enabled or disabled. I suspect this may be related to an issue with AMD’s encoder in Virtual Desktop. Because AMD switched driver branches starting with version 26.1.1, I believe the 9070 XT does not have encoder-related issues with Virtual Desktop on driver versions up to 25.12.1. In previous testing with the stable release of VRChat on driver 25.12.1, no issues were observed, regardless of whether the launch options were enabled or disabled. 25.5.1 to 25.10.1 (25.10.xx.xx) 25.10.2 to 25.12.1 (25.20.xx.xx) 26.1.1 to 26.2.1 (25.30.xx.xx) <- The encoder issue on the 9000 series appears to have started in this branch. There is related feedback here: https://feedback.vrchat.com/bug-reports/p/amd-stutter-workaround-that-is-turned-on-by-default-seems-to-cause-more-issues-t
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Bug Report
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