Gmail changing URLs for Zoom meetings

Very recently, URLs for Zoom meetings sent from a Gmail account and received by another Gmail account are modified and do not work.  The change is slight:  the end of every link is changed from   “registration#/registration”   to   “registration%23/registration” .  I realize that  "%23"  is the URL encoded version of  “#”.   However, that is the only change in the received (non-working) URL.  Additionally, when viewing the outgoing email in the "Sent" folder, the same change is evident in the sent email.  For some reason, Gmail seems to be modifying the email as it goes out.  HOWEVER, the same email with the URLs for the Zoom meetings received in Outlook is fine and does not have the modified URLs.  I'm stumped.  Any ideas???