After doing a fresh installation of ReasctOS 0.4.7 the mouse pointer's tracking movement is delayed, it judders and it flickers from white to black. I was using an optical mouse. The same results were found when trying three other optical mice.

The JIRA link at the top of the website page goes to a page providing tracking issues, progress, and roadmaps for ReactOS projects and their derivatives. When trying to create an account at https://jira.reactos.org/secure/Dashboard.jspa a notice appears advising: Your JIRA administrator has not yet ...