UMG menu interaction causes massive stuttering on other players

Summary

Since latest update, on one of our menus, when pressed, will cause all players to stutter heavily and platforms like Switch can crash. We have a TPS counter and its staying at 29, so we assumed its client performance that is affected.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Stability

Steps to Reproduce

Load project ID (sent to JJ)
Load in the game with more than one player
On one player, interact with the achievements page on the left from spawn, then go to calling cards, then press next or previous page buttons.

Expected Result

Game doesnt stutter when next or previous page buttons are pressed

Observed Result

Game stutters heavily for every player when next or previous page buttons are pressed

Platform(s)

PC, Switch, PS5, Switch Lite

FORT-1077220 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.