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) […

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.

I have just opened an issue there.

Reactions picker positioned outside of viewport on mobile

Support

TobiasUdtke (Tobias Udtke) February 5, 2026, 2:45pm 7

The theme component has been updated and the issue resolved.

Topic		Replies	Views
Unable to use reactions on IOS/Mobile Support reactions , jira	24	346	November 3, 2025
Custom Discourse Reactions Developers reference	13	2865	May 29, 2022
Seeing who liked/reacted on the post hides the popup very quickly Bug reactions	12	175	February 17, 2025
Pressing the Reaction button registers incorrectly UX reactions	3	381	July 14, 2023
Displaying Reactions on Post Voting topics Support reactions	9	461	April 15, 2023

Reactions picker positioned outside of viewport on mobile

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