I posted this to the partner slack account. We recently had to change our POS Extensions to the new POS UI Extensions. While testing this, we encountered an issue where the UI Extension does not load on the Order Complete screen, but loads on the Order Show screen. I can share some videos if neede…

This is still happening in iPad OS 18.4.1 App version 10.1.0

@Amalia_Cote No we never found a fix for this, I’ve tested on new iOS versions and reproduced this on Friday of last week. I was going to upgrade a few of the Shopify Libraries we’re using and see if that had an effect but we’ve informed our customers to not use it on the order-complete page, inste…

IPad POS App Extensions iOS 18x Does not immediately load

Extensions

Amalia_Cote August 26, 2025, 5:47pm 3

@Dom-Pie Did you ever find a solution here? We just submitted what sounds like a similar issue: POS app not loading

Topic		Replies	Views
POS UI Extension (Smart Grid Tile) — "App failed to load" on every tap, JS never executes Extensions pos-extensions	13	261	April 24, 2026
POS Ui Extension stuck on Loading Extensions pos-extensions	4	111	August 7, 2026
POS app not loading Extensions pos-extensions	4	210	September 2, 2025
POS UI Extension smart grid tile fails to load on iPad Air 3 / iPadOS 15.6.1, works on iPhone Extensions pos-extensions	1	53	May 26, 2026
Multiple stores unable to load POS Extension Extensions pos-extensions	5	116	May 29, 2026

IPad POS App Extensions iOS 18x Does not immediately load

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