Setting PDF files to open in Tor browser leads to an infinite loop of opening new windows (macOS)

tor browser version 8.5.1 macoS version 10.13.6

when settings for downloading pdf files in about:preferences are set to "use tor", opening a link to a pdf will cause an infinte loop of new windows opening. the only way to stop this loop is to quite tor browser.

Trac:
Username: RayDeeUx

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