https://www.lords.org/lords/news-stories/mcc-world-cricket-committee-renews-calls-to-speed

Such measures could include the use of a countdown clock between overs and the on-going assessment of the DRS process, to ensure players and umpires remain vigilant on moving the game forward

Penalty runs also

Long overdue some of this. Days 1&2 of the India test over rates were outrageous

Would this be trialled at a county match I wonder?