The open source OpenXR runtime

doc: Document !2523

Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2523>

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doc/changes/big/mr.2509.md
··· 1 1 --- 2 2 - mr.2521 3 3 - mr.2522 4 + - mr.2523 4 5 --- 5 6 ### Added 6 7 - Support for the `XR_EXT_hand_tracking_data_source` extension.
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doc/changes/misc_fixes/mr.2523.md
··· 1 + ### Fixed 2 + - [survive][vive] fix hand orientations being swapped for LT based controllers after HT roles/input name separation changes 3 +