Adobe’s Latest Security Patch Installs Chrome Extension to Collect Data
tecklyfe.com
tecklyfe.com
Chrome enforces a one-time check when you next use it re: keep or discard the extension.
Without it you can still fill in the form but validation is complete, signing is missing, direct submission doesn't function, and dynamically generated content (like QR codes) don't work.
Adobe Reader is pretty mandatory if you are doing anything more with a PDF than hitting the print key.
Maybe Vivladi as an alternative to the main stream browsers:
I hadn't heard of this before the Acrobat Reader security patch was pushed, but my gut reaction when seeing the confirmation dialog for that extension was "hell, no way". Adobe's track record with security is not good.