Closed ghost closed 7 years ago
I'm guessing an upgrade is "remove old version" followed by "install new version". Tab Center is correctly disabled during the "remove" phase but not re-enabled during the "install" phase.
Manually restarting Firefox puts everything back to normal (TabCenter installed and working).
I believe updates are no longer borked :)
My browser got an update to Tab Center and the add-on stopped working (the tabs returned to the top of the screen). This was in the browser console:
CustomizeMode:TypeError: aWindowPalette is null Stack trace: CustomizableUIInternal.getUnusedWidgets@resource://app/modules/CustomizableUI.jsm:1719:9 this.CustomizableUI.getUnusedWidgets@resource://app/modules/CustomizableUI.jsm:3348:12 CustomizeMode.prototype.populatePalette@resource://app/modules/CustomizeMode.jsm:792:27 CustomizeMode.prototype.enter/<@resource://app/modules/CustomizeMode.jsm:331:7 TaskImpl_run@resource://gre/modules/Task.jsm:319:40 Handler.prototype.process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:937:23 this.PromiseWalker.walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:816:7 Promise*this.PromiseWalker.scheduleWalkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:747:11 this.PromiseWalker.schedulePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:779:7 this.PromiseWalker.completePromise@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:714:7 CustomizeMode.prototype.deferredWrapToolbarItem/</<@resource://app/modules/CustomizeMode.jsm:875:9 CustomizeMode.jsm:805