Allow layers to detach to canvas root

{
  "backend": {
    "author": {
      "email": "drschwabe@fastmail.com",
      "name": "Derrick Schwabe",
      "time": 1789103646
    },
    "commit": "git:sha1:b7957dce3cafa8e34c6c8c551646478d9dd40fbf",
    "committer": {
      "email": "drschwabe@fastmail.com",
      "name": "Derrick Schwabe",
      "time": 1789103646
    },
    "manifest": "mmm-manifest:sha256:9a028196832dc9dd7d397679c9e44c5392858e4a980ea14c141ef9315e0647e5",
    "message": "Allow layers to detach to canvas root",
    "objectFormat": "sha1",
    "parents": [
      "git:sha1:b3853956cc839946964df9e799cee0a46b9fd7fc"
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    "ref": "refs/heads/master",
    "summary": "Allow layers to detach to canvas root",
    "tree": "git:sha1:1d33ea7802e608e8b5bccd72c46b8dee114a68cc",
    "type": "git"
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  "issuedAt": "2026-09-12T13:13:39.849Z",
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  "sequence": 185,
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