We are having a very similar problem to that was described here: [image] Unable to use reactions on IOS/Mobile Support Here’s what I found after some testing on the forum with a resized viewport to simulate mobile and DevTools: the reactions popup is definitel…

[image] TobiasUdtke: We are using the custom reactions theme component: Custom Discourse Reactions - #14 by Don I don’t see how that could have this effect though. I would be useful to try in safe mode though, just to make sure.

I did not realize, I could simply try safe mode without any privileges. After that was pointed out to me, I observed that a) Reactions are a plugin, so disabling all plugins got rid of the problem in an unhelpful way ^^ b) More importantly: With no themes, everything works fine. The only theme t…

I have done some additional digging: My guess is, that this commit in the discourse core is what caused the break: DEV: Replace popperjs with floating-ui (#35492) committed 12:23AM - 09 Dec 25 UTC (UTC) […

I have just opened an issue there.

The theme component has been updated and the issue resolved.

Reactions picker positioned outside of viewport on mobile

Support

chapoi February 5, 2026, 2:12pm 5

Your best bet would be to reach out to the author of that theme component and ask them to fix it. Maybe they are not aware of it yet.

Topic		Replies	Views
Unable to use reactions on IOS/Mobile Support reactions , jira	24	366	November 3, 2025
Custom Discourse Reactions Developers reference	13	2873	May 29, 2022
FIX: long pressing reactions-counter shouldn't open ReactionsPicker Bug fixed , reactions	1	60	May 11, 2026
Seeing who liked/reacted on the post hides the popup very quickly Bug reactions	12	180	February 17, 2025
Pressing the Reaction button registers incorrectly UX reactions	3	381	July 14, 2023

Reactions picker positioned outside of viewport on mobile

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