Information that may help: MacBook (2015), OS X Mojave 10.14, Firefox Quantum 63.0, LibreOffice 6.1.2.1. The situation: Switching to FireFox Quantum v. 63.0 from Safari v. 12 because FireFox application is said to be (from multiple forum discussions) better able to integrate and successfully employ a Zotero citation management utility extension. However, after FireFox download completed, but application not yet installed, user looked for Zotero Firefox extension (plug-in), finding relevant information at only one Mozilla site: https://addons.mozilla.org/en-US/firefox/addon/zotero-bib-autoexport/ The Mozilla info screen for "Zotero Autoexporting" displayed "Not compatible with FireFox Quantum". I have either asked the wrong question about or looked in the wrong place for a functional extension of the Zotero utility and its use with Firefox Quantum and LibreOffice, or FireFox Quantum does not support a usable LibreOffice Zotero extension or connector (I do not know the difference between these two). Having downloaded FireFox Quantum following many, many attempts to configure these named applications / to download the correct application versions / to correctly configure the applications / to troubleshoot incorporating PubMed bibliographic citations using Zotero into LibreOffice 6.1.2.1 documents, to finally read that the Zotero extension is "Not compatible with FireFox Quantum" is massively frustrating. Here is what I want to do: Use the browser Firefox Quantum. Install into FireFox Quantum an auto-downloading Zotero extension. Perform PubMed searches. Use Pubmed resources to save searches in a format Zotero can import. Use Zotero to import and manipulate PubMed-Zotero compatible search results. Incorporate search results from Zotero into LibreOffice Writer documents. Is this too much to ask? Thank you for advice and instructions. Jim Martin