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Wikipedia Android Year in Review crashes with: "d != java.lang.String"
Closed, ResolvedPublic1 Estimated Story PointsBUG REPORT

Description

Steps to replicate the issue (include links if applicable):

  • Use Wikipedia Android
  • Start "Year in Review" or get promted on start after December 2.
  • Click on "First Steps"

What happens?:
Crash with the simple error message: d != java.lang.String
And a back button

What should have happened instead?:
Seeing the year in Review

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
r/2.7.50559-r-2025-11-24
Other information (browser name/version, screenshots, etc.):
F-Droid

Event Timeline

Hello!
I can't seem to reproduce this error on our devices. Can you confirm a couple of things:

  • In your app, are you logged in to your account? (and is the username the same as your name here?)
  • I assume your app language is set to Deutsch?
  • This could have been a momentary network glitch; Can you try again? Or does this keep happening every time?

I'm logged in (although there seems to be another bug with my profile beeing only on meta, see screenshot.)

Screenshot_20251202-221840.png (2×1 px, 146 KB)

App language is German

Tried it multiple times already. On a friends phone with the same F-Droid build, the feature did work, so maybe it's my account?

I'm having the same problem. Tried setting the app language to English, same problem. The starting page for Year In Review is still in German after changing the app language, so it must be determined otherwise

Dbrant set the point value for this task to 1.Dec 9 2025, 5:31 PM

@Kristbaum @Kerospam Would you mind updating to the very latest version (r/50562-r-2025-12-08), and try one more time?

@Dbrant I updated today via F-Droid (it only became available today) and it works now!