Ideated by Blockstream developer Russell O’Connor and written up on the Bitcoin developer email list by technical Bitcoin writer David Harding, “Speedy Trial,” would take a quicker approach than some of the other proposals in determining if miners are ready for activation of Taproot. All of the largest mining pools have already indicatedthey plan to upgrade.
“The idea received significant discussion and seemed acceptable to several people who could not previously agree on a proposal (although this doesn’t necessarily make it their first choice),” Harding wrote on the email list.
Taproot is the largest upgrade Bitcoin has seen in years, and many are proposing projects on top of it. It will boost privacy and scalability, and will bring a variety of other technical benefits.
https://www.coindesk.com/bitcoin-taproot-activation-momentum-speedy-trial-proposal
An article from Coindesk on the newest Speedy Trial Taproot activation proposal that can be summarized in a 'Quickly succeed' or 'quickly fail' approach to activation.
It has a dedicated thread here on the forum for those who would like to know more, see below
https://bitcointalksearch.org/topic/m.56512080