I have some more questions. What happens when you do have progressDelegate? (like, when that line is uncommented) Does onHistoryStateChange fire? If it does, when?
Bug 1621480 Comment 4 Edit History
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I have some more questions. What happens when you do have progressDelegate? (like, when that line is uncommented) Does onHistoryStateChange fire? If it does, when? Also, can you tell us a bit more about your use case? It seems important for you not to have progressDelegate in there
I have some more questions. What happens when you do have progressDelegate? (like, when that line is uncommented) Does onHistoryStateChange behave correctly? Also, can you tell us a bit more about your use case? It seems important for you not to have progressDelegate in there