Trying to open recently viewed tab hangs iOS app for a several seconds.


Probably this occurred due retrieving too many items.

  • App Version:
  • Device: iPad Air 2 (Wi-Fi)
  • OS Version: Version 10.2 (Build 14C92)
  • I just counted 25 seconds – Cai Jan 28 '17 at 10:10
  • @Cai it depends on actual count of items I think. And CPU speed :) – αλεχολυτ Jan 28 '17 at 10:11
  • Sure. 25 seconds is a long time though, and I'd bet an iPhone 4 or 5 is significantly slower than my 6S. – Cai Jan 28 '17 at 10:25
  • @Cai let's go shopping for newest iDevice to use the app! – αλεχολυτ Jan 28 '17 at 10:41
  • It's called "History" in the iPhone menu and I was able to repro on my iPhone 6. Took about 16 seconds for content to appear and 5 more after that for the UI to become responsive again. Something must be locking the main thread. – JAL Jan 28 '17 at 14:30
  • Is this happening every time or just the first time? – Brian Nickel Jan 31 '17 at 18:13
  • @BrianNickel every time when I switch to this tab from another. – αλεχολυτ Jan 31 '17 at 18:49

This will be fixed in 1.6.4, shipping in February.

There was a performance regression in the way we calculate row heights so the most questions in your history, the slower it gets.

| improve this answer | |
  • Has 1.6.4 been delayed? Version is still 1.6.3. iPad 2 mini here, the problem still exists as of 24 March. Takes about 60 seconds to display history and another 10 to respond to any input (taps, scrolling). Then tapping on an entry takes 10 seconds to display, and 10 seconds to return to the history list. Even exiting history by tapping a site icon on the site bar takes 10 seconds to leave history. – Ex Umbris Mar 24 '17 at 23:12
  • @ExUmbris Oops, I completely forgot about this. Sorry. Just submitted to the store. – Brian Nickel Mar 28 '17 at 19:06

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