A screenshot of Blender showing new UI for managing poses, chunks, bones, pivot points, and unlocks. The "top ribs" chunk of the Testodon's "Default" pose is selected, and the bones (meshes) assigned to that chunk are selected/highlighted in the 3D viewport
https://files.mastodon.social/media_attachments/files/108/169/076/680/575/201/original/bf22c70c7cffb041.png