Multiple pages as home page unreliable in 11.0a4

Summary

Since upgrading to 11.0a4, when multiple pages are set as home page, sometimes only the first one is opened.

Steps to reproduce:

How one can reproduce the issue - this is very important.

1. In preferences, set https://www.torproject.org/|https://www.torproject.org as home page
2. Restart Tor browser

What is the current bug behavior?

What actually happens.

Sometimes (but not always), two tabs open and the first one opens https://www.torproject.org. The second one shows the message "Connected to the Tor network" (about:torconnect) instead of the expected home page.

Sometimes the behavior is as expected. It seems to me that the issue occurs particularly after a cold start (i.e. not a restart) of Tor Browser.

What is the expected behavior?

What you want to see instead

After "Quickstart" has run, Tor Browser opens two tabs, each loading https://www.torproject.org/

The behavior is as expected when clicking the "Home" Toolbar button or pressing Alt+Home.

Environment

Which operating system are you using? For example: Debian GNU/Linux 10.1, Windows 10, Ubuntu Xenial, FreeBSD 12.2, etc. Linux, openSUSE Tumbleweed

Which installation method did you use? Distribution package (apt, pkg, homebrew), from source tarball, from Git, etc. .tar.gz from https://www.torproject.org/download/

Relevant logs and/or screenshots