I recently updated to 20.04.1 and experienced a similar issue as described in comment #3.
To reproduce the issue:
1) Enable "Locate Pointer" in Settings -> Universal Access -> Pointing & Clicking
2) Open Firefox, go to https://duckduckgo.com
3) Enter search text, e.g. "test test test"
4) Click in the search textbox after results are returned
5) Use Ctrl-Left and Ctrl-Right to jump between words in the search textbox
6) Disable "Locate Pointer" to see the problem go away.
I recently updated to 20.04.1 and experienced a similar issue as described in comment #3.
To reproduce the issue:
1) Enable "Locate Pointer" in Settings -> Universal Access -> Pointing & Clicking /duckduckgo. com
2) Open Firefox, go to https:/
3) Enter search text, e.g. "test test test"
4) Click in the search textbox after results are returned
5) Use Ctrl-Left and Ctrl-Right to jump between words in the search textbox
6) Disable "Locate Pointer" to see the problem go away.