ShareLink Pro for Windows MSI Installer 3.0.0 is now available. I never did see version 2.2.3.4.
Login required for following links, afaik.
DL page
https://www.extron.com/download/download-center/?material=2
Release notes
https://www.extron.com/kb/help/?f=/ShareLinkPro/ShareLinkPro_FWRN_1/en/Content/HTML_Files/FW_Notes/Product__and_Release_Notes_Versions/Products_and_Release_Notes_Versions.htm
SHA-256: C5AB1B3E2AFB3A6EB65A7668CBE8E5DC227A3A022CEA548CA402C5D43B500865
This product is not currently in our catalog.
My apologies. Yes, that was one of our cloud apps.