Gina Miller has said she’d take the new Prime Minister to court if he tries to prorogue parliament, so it can’t debate or vote, to stop it blocking a “no deal” Brexit. The backlash says a lot about the dangerous forces that have been unleashed.
In the normal course of events, there is a Queen’s Speech at the start of each parliamentary session, and a prorogation at the end.
But there is a more extreme precedent: an unpliant parliament led to Charles I doing this. It produced a period of “personal rule” (1629–1640) — fuelling the resentments that led to civil war and his own execution.