Assessing the evolution of open science practices: the Wellcome Joint Statement on COVID-19

In January 2020, to address the public health emergency of Covid-19 and accelerate the pace of research, Wellcome, together with the Gates Foundation and UKRI, issued a broad-reaching statement calling for increased open science practices for Covid-19 related publications. Many journals, publishers, and organisations signed on.
Did the open-science practices of the signers and their associated researchers change as a result?