I recall reading about it 25 years ago when newspapers were still a thing. it was supposed to be abolished in 2020 but then Covid happened and it seems to have been forgotten about.

This is from PubMed:
The results of this review with meta-analysis based on studies with mostly adequate and in some cases good quality show an increase in the risk of AMI after DST onset in spring with some moderate to marked heterogeneity between the individual studies. After excluding one study due to inconsistent results (22), no heterogeneity between studies and overall no evidence of a change in risk was found for the autumn transition.
Following the spring transition, people may experience a sleep deficit with abrupt changes in biological rhythms, but not after the autumn transition which provides more time to sleep