Looks to have first been introduced in Sep 2023. (Merge commit 09c76c82c2, though git's merge commits are hard to read. Yes, looks like commit 0a12e4c733 (Pijul change NVSC4N4KMUHGX5FEOM2DXYA4VHEEQTP3QNY3D7WY4UONVW5LCT2QC) didn't get merged right.)
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