# Those New Lessons in Your Queue

**URL:** <https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108>\
**Category:** Bugs & Errors\
**Created:** [October 30, 2017, 10:19pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108 "2017-10-30T22:19:59Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![oldbonsai](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/oldbonsai/32/33394_2.png) [@oldbonsai](https://community.wanikani.com/u/oldbonsai)\
**Post date:** [October 30, 2017, 10:19pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/1 "2017-10-30T22:19:59Z")

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TL;DR: We just fixed a bug in the system that was preventing some items from unlocking. They’re either already in your queue, or will show up in the next few hours.

## The Whole Story

We are quietly working on some data tracking improvements in WaniKani, and have been for several months. One of the new things we’re tracking is when you unlock a particular item. “Unlocking” happens when you meet the requirements for an item: when you level up or when you get all the prerequisite items to guru (ie. the radicals for a kanji).

For a while, we thought we were tracking this properly, but, well, we weren’t. We didn’t catch the inconsistency until we started using the unlock time to determine what appeared in people’s lesson queues. After some very rapid feedback from everyone, we fixed the bug causing the inconsistency and fixed up the missing data—or so we thought.

We only touched the records we thought were affected. It turns out, we were a little _too_ narrow in our search for inconsistent data, and we left some lessons locked, even though the prerequisites for those lessons where met.

So, we’re at it again. This time, we are double checking the unlock dates for _everything_ and setting them to the correct time if they’re missing. Setting that date unlocks the item, so those updated items will show up in your lesson queue. The server is grinding away at all those calculations, and should be done with them later this evening (PDT).

We’re sorry for the errors on this one, and for the frustration or confusion for those folks with incorrectly locked lessons. We’re striving to make the Crabigator faster and stronger—thanks for sticking with us!

PS. To all the devs out there, we have a ton of automated testing in place. Clearly, we missed some scenarios in there, and we are continuing to add more tests to the suite to catch stuff like this.

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**Author:** ![oldbonsai](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/oldbonsai/32/33394_2.png) [@oldbonsai](https://community.wanikani.com/u/oldbonsai)\
**Post date:** [October 30, 2017, 10:20pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/2 "2017-10-30T22:20:32Z")

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**Author:** ![Helix](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/helix/32/2630_2.png) [@Helix](https://community.wanikani.com/u/Helix)\
**Post date:** [October 30, 2017, 10:46pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/3 "2017-10-30T22:46:36Z")

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![](https://global.discourse-cdn.com/wanikanicommunity/original/3X/6/f/6f55819d9ed3af578514f58f26294c736fc72515.gif)

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**Author:** ![pabbles](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/pabbles/32/706579_2.png) [@pabbles](https://community.wanikani.com/u/pabbles)\
**Post date:** [October 30, 2017, 10:47pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/4 "2017-10-30T22:47:52Z")

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Yep, 4 new lessons appeared and I was completely unaware of all that stuff going on in the background, so 👍

edit: though in my case I realized I just just guru-ed the stuff leading up to those 4 lessons, so the whole substance of my reply boils down to “SECOND!”

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**Author:** ![Abstormal](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/abstormal/32/630277_2.png) [@Abstormal](https://community.wanikani.com/u/Abstormal)\
**Post date:** [October 30, 2017, 11:11pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/5 "2017-10-30T23:11:06Z")

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Thanks for being your mythical best! =D  
Um, well, you are a mythical beast, so yeah, _goes of to bed_

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**Author:** ![Memerald](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/memerald/32/56905_2.png) [@Memerald](https://community.wanikani.com/u/Memerald)\
**Post date:** [October 30, 2017, 11:13pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/6 "2017-10-30T23:13:14Z")

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Thanks for fixings so quickly 🙂 it really helps.

![](https://global.discourse-cdn.com/wanikanicommunity/original/3X/2/e/2e9bc2205a64fdf4e7ac8cb4d9b3564d55584448.gif)

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**Author:** ![ranuncudahlia](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/ranuncudahlia/32/72482_2.png) [@ranuncudahlia](https://community.wanikani.com/u/ranuncudahlia)\
**Post date:** [October 30, 2017, 11:24pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/7 "2017-10-30T23:24:15Z")

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![](https://global.discourse-cdn.com/wanikanicommunity/original/3X/2/c/2cc8c78d60f0179292684e00e1dc1e2f4b218e08.gif)

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**Author:** ![Syphus](https://cdck-file-uploads-global.s3.dualstack.us-west-2.amazonaws.com/wanikanicommunity/original/3X/f/d/fd4c154120954695f788402f3bcf4e616499bc2d.png) [@Syphus](https://community.wanikani.com/u/Syphus)\
**Post date:** [October 30, 2017, 11:47pm UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/8 "2017-10-30T23:47:42Z")

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I guess the good news is I don’t have any phantom lessons anywhere.

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**Author:** ![Shimizoki](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/shimizoki/32/7304_2.png) [@Shimizoki](https://community.wanikani.com/u/Shimizoki)\
**Post date:** [October 31, 2017, 12:58am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/9 "2017-10-31T00:58:18Z")

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That would be great if all of a sudden level 60s got a dozen new lessons.

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**Author:** ![ichikun](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/ichikun/32/2848_2.png) [@ichikun](https://community.wanikani.com/u/ichikun)\
**Post date:** [October 31, 2017, 1:26am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/10 "2017-10-31T01:26:18Z")

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Just out of curiosity, could you give an example scenario when an unlock would not happen because of that bug?

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**Author:** ![aanhlle](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/aanhlle/32/313128_2.png) [@aanhlle](https://community.wanikani.com/u/aanhlle)\
**Post date:** [October 31, 2017, 2:02am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/11 "2017-10-31T02:02:08Z")

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I don’t understand but I’m glad you guys still continue to improve the app. All hail the Crabigator ! 😆

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**Author:** ![Leebo](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/leebo/32/439476_2.png) [@Leebo](https://community.wanikani.com/u/Leebo)\
**Post date:** [October 31, 2017, 2:57am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/12 "2017-10-31T02:57:34Z")

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I’m kind of disappointed I didn’t get new lessons.

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**Author:** ![musera](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/musera/32/3943_2.png) [@musera](https://community.wanikani.com/u/musera)\
**Post date:** [October 31, 2017, 3:05am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/13 "2017-10-31T03:05:10Z")

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Oh great, more vocab lessons unlocked! Put’s me to back to over 100 in queue which I don’t want to touch due to my apprentice count.

Glad the bug is fixed but did you have to be so efficient about it?!

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**Author:** ![Syphus](https://cdck-file-uploads-global.s3.dualstack.us-west-2.amazonaws.com/wanikanicommunity/original/3X/f/d/fd4c154120954695f788402f3bcf4e616499bc2d.png) [@Syphus](https://community.wanikani.com/u/Syphus)\
**Post date:** [October 31, 2017, 3:13am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/14 "2017-10-31T03:13:27Z")

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I don’t even know the last time I got new lessons.

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**Author:** ![zheinpathos](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/zheinpathos/32/40181_2.png) [@zheinpathos](https://community.wanikani.com/u/zheinpathos)\
**Post date:** [October 31, 2017, 3:29am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/15 "2017-10-31T03:29:57Z")

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i know the feels; i got 100 new items instead of the usual 70 when i leveled up. of course, being the masochist that i am, i went and did all 100 lessons because _why not_.

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**Author:** ![NickPlez](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/nickplez/32/66936_2.png) [@NickPlez](https://community.wanikani.com/u/NickPlez)\
**Post date:** [October 31, 2017, 3:39am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/16 "2017-10-31T03:39:47Z")

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Congrats on discovering the bug. Thanks for fixing.

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**Author:** ![Ronar](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/ronar/32/188347_2.png) [@Ronar](https://community.wanikani.com/u/Ronar)\
**Post date:** [October 31, 2017, 4:02am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/17 "2017-10-31T04:02:15Z")

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Why I wasn’t affected. 😭 Well, you’ve fixed it, that’s good! Don’t mind for a few new lessons, even though those old lessons are still there. I’m very carefully track what is going on in my queue, as I’m waiting to get to lvl 10 asap 😣. Phew. So far so good, btw. Everything’s working.

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**Author:** ![Lishamatish](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/lishamatish/32/224728_2.png) [@Lishamatish](https://community.wanikani.com/u/Lishamatish)\
**Post date:** [October 31, 2017, 5:38am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/18 "2017-10-31T05:38:11Z")

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-_checks queue_  
-_shreiks_  
**94 additional lessons!!**

Both pleased and terrified, luckily this comes after I’ve finally caugh up on ~500 reviews after a tricky six months of neglecting WaniKani.

Cheers for the fix guys! 🙂

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**Author:** ![coelacanth](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/coelacanth/32/45539_2.png) [@coelacanth](https://community.wanikani.com/u/coelacanth)\
**Post date:** [October 31, 2017, 7:26am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/19 "2017-10-31T07:26:27Z")

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After days of wondering why I have unlocked kanjis when all radicals are guru’d, I thought this would be the explanation: a glitch, a minor bug. But now those kanjis are still locked. Are you still going through the system to unlock everything? I am just wondering. Maybe I am doing it wrong. Do you not unlock kanjis by guru’ing radicals?

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**Author:** ![eee](https://sea1.discourse-cdn.com/wanikanicommunity/user_avatar/community.wanikani.com/eee/32/7501_2.png) [@eee](https://community.wanikani.com/u/eee)\
**Post date:** [October 31, 2017, 10:01am UTC](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108/20 "2017-10-31T10:01:43Z")

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> [@oldbonsai](#):
>
> PS. To all the devs out there, we have a ton of automated testing in place. Clearly, we missed some scenarios in there, and we are continuing to add more tests to the suite to catch stuff like this.

This warms my heart.

Is there any other info on the data tracking improvements?

[Next page](https://community.wanikani.com/t/those-new-lessons-in-your-queue/21108.md?page=2)
