If you use the editor on a Mobile Browser, you won't be able to scroll through the Blocks, Patterns or Reusable Blocks section. This is specific to WordPress.com and works fine on self-hosted sites.
Steps to reproduce
Open WordPress.com on a mobile device
Try to create a page on a WordPress.com site
Open the Blocks page, and try to scroll through it
What you expected to happen
You should be able to scroll through it, similar to how it works on a self-hosted site:
Quick summary
If you use the editor on a Mobile Browser, you won't be able to scroll through the Blocks, Patterns or Reusable Blocks section. This is specific to WordPress.com and works fine on self-hosted sites.
Steps to reproduce
What you expected to happen
You should be able to scroll through it, similar to how it works on a self-hosted site:
https://user-images.githubusercontent.com/16253818/205241971-d6827ddb-fd60-43e9-92c7-9ea8d5a83e26.MP4
What actually happened
Scrolling isn't working:
https://user-images.githubusercontent.com/16253818/205241035-8962d94e-7235-468f-8932-810d03a9e817.MP4
Browser
Google Chrome/Chromium
Context
Reported in #5756567-zen
Platform (Simple, Atomic, or both?)
Atomic
Other notes
Tested on an iPhone 14 Pro Max
Reproducibility
Consistent
Severity
All
Available workarounds?
Yes, easy to implement
Workaround details
Use the WordPress or Jetpack Mobile app