T-Pose (Down) full reset causes arms to be crossed instead of expected T-Pose #62

New Issue

MrUnknownDE · 2026-04-05T17:54:58+02:00

MrUnknownDE commented

2026-04-05 17:54:58 +02:00

Originally created by @Spazznyan on 2/4/2026

Describe the bug

Setting Reset mode to T-pose (down) in SlimeVR server 18.1 while using arm trackers causes the arms to be incorrectly posed (crossed).

To Reproduce

Open SlimeVR server v18.1
Assign trackers to: Chest, upper arm, lower arm
Set reset pose to T-Pose (Down)
Press full reset

Expected behavior

Skeletal model should be in T-pose after full reset

Screenshots/Video

Bug footage:
https://github.com/user-attachments/assets/23180b08-b22b-4b28-8980-0ffa77d28791

17.0 vs 18.1 behaviour:
https://github.com/user-attachments/assets/2fe03825-eab1-4aa1-aa81-f052bf8a2ac5

Desktop

OS: Windows 10
Server: 18.1
Protocols in use: VMC
SteamVR: No
Headset in use: No

Additional context

This behaviour is not present in 17.0 or earlier versions of the server software.

*Originally created by @Spazznyan on 2/4/2026* ## Describe the bug Setting Reset mode to `T-pose (down)` in SlimeVR server 18.1 while using arm trackers causes the arms to be incorrectly posed (crossed). ## To Reproduce 1. Open SlimeVR server v18.1 2. Assign trackers to: Chest, upper arm, lower arm 3. Set reset pose to `T-Pose (Down)` 4. Press full reset ## Expected behavior Skeletal model should be in T-pose after full reset ## Screenshots/Video Bug footage: https://github.com/user-attachments/assets/23180b08-b22b-4b28-8980-0ffa77d28791 <img width="1586" height="627" alt="Image" src="https://github.com/user-attachments/assets/9c5ede4a-0ab3-49a6-ad0d-2dc7e0a710c5" /> 17.0 vs 18.1 behaviour: https://github.com/user-attachments/assets/2fe03825-eab1-4aa1-aa81-f052bf8a2ac5 ## Desktop - OS: Windows 10 - Server: 18.1 - Protocols in use: VMC - SteamVR: No - Headset in use: No ## Additional context This behaviour is not present in 17.0 or earlier versions of the server software.

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main

aed/grammar-police

battery-0

bscotch/server-rewrite-temp

hannah/steam

pontoon

hannah/keybinds

server-rewrite

bscotch/accel-mount

dependabot/github_actions/gradle/actions-6

dependabot/github_actions/pnpm/action-setup-5

dependabot/github_actions/actions/upload-artifact-7

dependabot/github_actions/actions/download-artifact-8

FloorClipSteamLinkInteractionFix

sapphire/trim-vrm-json

llelievr/trackers-udp-tests

sapphire/linux-bridge-kotlin

sapphire/linux-vrchat-compatdata-path

smol-sleep-state

sapphire/stay-aligned-setup-no-step-skip

sapphire/steamvr-hands-warning

sapphire/proportions-import-skeleton-request

sapphire/bone-mask-update

llelievr/settings-profiles

bscotch/proguard

bscotch/bvh-fix

mitten

bscotch/reset-proof-tests

hannah/install-from-server

smol-buttons

TheButlah-patch-1

sapphire/update-solarxr

sapphire/kotlin-flatbuffers

csv-data-export

feat_flashmode

bscotch/remove-drift-compensation

llelievr/kotlin-config

bscotch/fix-osc-duplication

llelievr/keep-battery-value

rest-calibration-support

tracker-graph

fingertracking

update-eslint

tauri-android

hide-new-resets

height-config

snap-serial

feat/new-updater

support-inches

vrc-fix-ik-key

llelievr/3dmodel-preview

accel-mapping-fixes

llelievr/manual-proportions-rework

llelievr/put-automatic-steamvr-tracker-assigment-first

llelievr/remove-manual-mounting-onboarding

onboarding-usage-step

oldflex

motion-compensation

kotlin-warnings-fix

accessories

tpose

foxvr

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Reference: github/SlimeVR-Server#62