)]}'
{
  "commit": "1f5fcb7432603fc4399d72394efbc4d13a486d00",
  "tree": "9800e7663e3db299a31b5512cf3bc66142bb0582",
  "parents": [
    "8a4db32bb804c6d02157a1608697e7a3f33b1ec7"
  ],
  "author": {
    "name": "Greg Spencer",
    "email": "gspencergoog@users.noreply.github.com",
    "time": "Fri May 18 16:27:19 2018 -0700"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Fri May 18 16:27:19 2018 -0700"
  },
  "message": "Speed up AnimatedSwitcher. (#17265)\n\nThis optimizes the AnimatedSwitcher so that it tags the right widget with its keyed subtree, and avoids rebuilding the transition unnecessarily.\r\n\r\nThis significantly improves the performance of Chips (which uses AnimatedSwitcher to swap out it\u0027s avatar and delete icon children).",
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