Version 4.5.1rc1

• Fix some video download edge cases (#763, #773, #776)
• Fix support for (outdated) Python version 3.5 prior to 3.5.4 (#765, #777)
• Fix FileExistsError (Windows only) when replacing an already-downloaded picture (#769, #775)

This is a pre-release. Install with

pip3 install --pre [--upgrade] instaloader