On Wed, 18 Aug 2021, Geoff Shang wrote:
Your issue is caused by the time it takes for the cursor position to update.
As a matter of interest, the setting for this in Speakup appears to be cursor_time and, in my install at least, is set to 120.
But I'm still running Debian Jessie (yes, yes, I know...). HTH, Geoff.