safari-frozon-bug-when-some-strings-are-in-inner-frame-in-specific-style

There are some factors to trigger the bug:

1. inner frame should have some specific words
2. some specific style in inner frame
3. some specific style in outer frame

Here is a demo site

⚠️ Caution! Your Safari tab may be frozen. ⚠️

Setup

docker compose up

You can also setup .env to tunnel the local service to mobile devices.

Expected Behavior

1. Open Safari in http://localhost:8680/
2. You can see the FPS monitor works
3. You can scroll to bottom of the page and click the link

Actual Behavior

1. Open Safari in http://localhost:8680/
2. Everything is frozen

Environment

• M2 MacOS Ventura 13.5.2 (22G91) Safari 16.6（18615.3.12.11.2）
• MacOS Ventura 13.5.2 (22G91) Version 16.6 (18615.3.12.11.2)
• MacOS Ventura 13.5.2 Safari 16.6 (18615.3.12.11.2)
• MacOS Ventura 13.5.1 Safari 16.6 (18615.3.12.11.2)
• MacOS Ventura 13.5 Safari 16.6（18615.3.12.11.2）
• MacOS Ventura 13.4.1 Safari 16.5.2 (18615.2.9.11.10)
• MacOS Monterey 12.6.2 Safari 15.6.1
• MacOS Monterey 12.5.1 Safari 15.6.1 (17613.3.9.1.16)
• iPadOS 16.6 (20G75) Safari
• iPadOS 16.6 (20G81) Safari
• iPhone 14 Pro 16.6.1 Safari
• iPhone 14 16.6.1
• iPhone 14 16.3.1
• iPhone 13 16.6 (20G75) Safari
• iPhone 12Pro 16.6.1
• iPhone 12 16.6.1

Some reports show they do not meet this bug

• MacOS Sonoma 14.0 Safari Technical Preview (ua: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15)
• MacOS Ventura 13.5.2 Safari Technical Preview (ua: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15)
• MacOS Big Sur 11.6 Safari 15.0 (16612.1.29.41.4, 16612)
• iOS 17 PublicBeta (21A5362a)