My TST config

configs-treestyletab@piro.sakura.ne.jp.json

{
  "applyThemeColorToIcon": true,
  "autoAttachOnNewTabCommand": 0,
  "autoCollapseExpandSubtreeOnAttach": false,
  "closeParentBehaviorMode": 1,
  "collapseExpandSubtreeByDblClick": true,
  "configsVersion": 7,
  "dropLinksOnTabBehavior": 2,
  "labelOverflowStyle": "crop",
  "lastConfirmedToCloseTabs": 1566670194039,
  "logTimestamp": false,
  "notifiedFeaturesVersion": 3,
  "optionsExpandedSections": [
    "section-appearance",
    "section-contextMenu",
    "section-advanced",
    "section-debug"
  ],
  "scrollbarMode": 1,
  "showTabDragBehaviorNotification": false,
  "simulateSVGContextFill": false,
  "style": "plain-dark",
  "supportTabsMultiselect": false,
  "tabDragBehavior": 4,
  "tabDragBehaviorShift": 5
}