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Bug Day at Quizlet

June 3, 2014

With the pressure of shipping big projects always on, finding time to fix the small things that go wrong on Quizlet sometimes falls through the cracks. But making sure that the Quizlet experience is as good as it can be for all our users is hugely important.

So for 24 hours last week, the entire engineering team put their current projects on hold and focused on tackling bugs. We fixed 29 bugs on the website and 5 on the iOS app - and we cleaned up a lot of other small issues along the way. These are some examples of the user-facing bugs we fixed.

Audio in Learn doesn't reshuffle terms

In the past, if you clicked "Speak Text" in Learn, it would reshuffle the terms and you'd lose your progress. We fixed this so that you can turn audio on and off as you please:


Adding audio icon to flashcards

We added an audio icon next to the word "audio" so that non-English speakers could more easily take advantage of this feature in flashcards:


Searching for non-English characters

We had an issue with the encoding of non-English characters that made searching for sets with Japanese, Chinese or similar languages a bad experience:


This is now fixed and works normally again.

Formatting never gets erased on edit

If you edit a term that has extra blank lines, saving your edits will not erase those blank lines anymore.

Rotating a fullscreen image on iOS

Rotating your phone while viewing an image fullscreen used to break the UI like this:


And when we ship the next update of our iOS app this will no longer happen.

Pinch to zoom on images on iOS

This feature will also ship in our next iOS update so that you can view all the details of your images.

And 29 more tweaks and fixes...

Planning the next bug day

We're planning to do this on a regular basis to keep Quizlet running as smoothly as possible. Please let us know if you spot any issues and we'll do our best to fix them as soon as possible.

And thanks to the Quizlet engineering team for staying up late squashing these bugs!


  1. silentskream 

    Second Hi-FIVE! First Comment the first good that happened to me today! :-)

  2. Highland_warrior 

    Thank you so much for fixing the problems!

  3. animallover12343 

    second comment:)

  4. animallover12343 

    5th highfive :)

  5. mustachenerd217 


  6. Minnieval 

    Cool love it :)

  7. watermelonsoda 

    lucky number 15!!!! giraffes

  8. Johngoo123 

    10th comment

  9. Johngoo123 

    30th high five



  11. zealandcat 

    haha why was it such a big deal lol

  12. zealandcat 

    ohhhh i get it ha I'm a dumby

  13. Sola6174 

    hey Quizlet you guys are awesome!!!
    also: is it just me or are high fives being kinda weird?

  14. Chespin 

    GOOD 4 U

  15. Echo-7 

    42nd high five.

  16. MemVerseFanatic 

    good job @ Quizlet

  17. LoveTacosForever 


  18. martha_j_payne Teacher

    Great! Can anything be done about the fact that adding audio when in Firefox is frustrating? Only part of a word comes through.

  19. sabouassali01 

    Yay!!! 23rd comment! Thanks for all the fixing Quizlet!

  20. cathyoreilly Teacher

    I still cannot upload images. I have tried on my Mac and my PC at school. Any ideas?

  21. garancomfort 

    I am still waiting to be able to make flashcards on Android!
    Please don't forget about us!

  22. PerfectStar 

    That's nice! (Although I never experienced these bugs...) ^_^ Thank you so much, Quizlet! Keep improving!

  23. jasonsrvca 

    thank you for fixing the bugs! they've been driving me crazy

  24. jasonsrvca 

    27... i think... personal best- yeah!

  25. LSAcker 

    Awesome sauce! less bugs= better studying

  26. joanna_17000 Teacher

    Today I noticed you have new Icons for FLASHCARDS, LEARN, SCATTER etc. - I don't like them! Previous was better! Also Pie chart represented better your progress.

  27. curtis1486 

    ╔═══╗───────╔╗────╔╗ ║╔═╗║───────║║───╔╝╚╗ ║║─║╠╗╔╦╦═══╣║╔══╬╗╔╝ ║║─║║║║╠╬══║║║║║═╣║║ ║╚═╝║╚╝║║║══╣╚╣║═╣║╚╗ ╚══╗╠══╩╩═══╩═╩══╝╚═╝╔═══╗───────╔╗────╔╗ ║╔═╗║───────║║───╔╝╚╗ ║║─║╠╗╔╦╦═══╣║╔══╬╗╔╝ ║║─║║║║╠╬══║║║║║═╣║║ ║╚═╝║╚╝║║║══╣╚╣║═╣║╚╗ ╚══╗╠══╩╩═══╩═╩══╝╚═╝╔═══╗───────╔╗────╔╗ ║╔═╗║───────║║───╔╝╚╗ ║║─║╠╗╔╦╦═══╣║╔══╬╗╔╝ ║║─║║║║╠╬══║║║║║═╣║║ ║╚═╝║╚╝║║║══╣╚╣║═╣║╚╗ ╚══╗╠══╩╩═══╩═╩══╝╚═╝╔═══╗───────╔╗────╔╗ ║╔═╗║───────║║───╔╝╚╗ ║║─║╠╗╔╦╦═══╣║╔══╬╗╔╝ ║║─║║║║╠╬══║║║║║═╣║║ ║╚═╝║╚╝║║║══╣╚╣║═╣║╚╗ ╚══╗╠══╩╩═══╩═╩══╝╚═╝

  28. pikachu168 

    Whoa, not much and it's been a while since this news was up

  29. khalid200366 


  30. Warrior345 


  31. shawndye101 

    Awesome! Comment 31! :)

  32. marines531 


  33. Patriots_Player 


  34. rw54 

    Thanks for saving these problems!

  35. marines531 

    cool and sweet

  36. CareBear_hfcs 


  37. abhishek_satre 
  38. abhishek_satre 
  39. WBLyman 

    221 high five


  40. Ciana_Caruso 


  41. Ciana_Caruso 

    How come we can only comment twice?? =(

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