Blank Main Window

Some Linux distos have recently updated glibc. Recent versions break the web toolkit that Anki is built on, causing Anki's main window to appear blank.

There are two ways to work around this:

1. Install the latest Qt6 version of Anki, which uses an updated toolkit:

https://betas.ankiweb.net

2. Use one of the workarounds posted on the following threads:

• https://forums.ankiweb.net/t/please-use-file-import-popup-on-startup/14695
• https://forums.ankiweb.net/t/setting-disable-seccomp-filter-sandbox-by-default-on-linux/13765
• https://forums.ankiweb.net/t/fedora-35-and-anki-2-1-47-updates-with-blank-anki-window/13431/11