Spoiler feature appears to be Non-Functional on the mobile applications Mlem and Jerboa

When I open the post it shows the spoiler, but just browsing through my feed it showed “Lemmy wins” in the preview. Using the website on mobile

Don’t worry, we won’t really need a spoiler tag for the foreseeable future.

The spoiler tag doesn’t seem to work correctly on the mobile app (Jerboa):

Ahh it’s Lemmy every time!

FYI spoiler tags don’t work on the Jerboa app.