System and IINA version:

• macOS 11.0 Beta (20A5395g)
• IINA 1.1.0 Build 123

When playing a movie in 1 window, put it on pause. When you run the link from YouTube, window 2 opened. And the first window closed with crash.

IINA_2020-10-17-214020_MacBook-Pro.crash.zip
IINA_2020-10-23-161305_MacBook-Pro.crash.zip
IINA_2020-10-25-165050_MacBook-Pro.crash.zip
IINA_2020-10-25-183300_MacBook-Pro.crash.zip
IINA_2020-10-26-181520_MacBook-Pro.crash.zip