After a steady increase in adoption over the past year, TLSv1.3 adoption just took a pretty big drop. Anyone have any data or ideas about why? https://kjur.github.io/www/sslpulsetrend/index.html#proto
In one of the graphs the 1.3 dip has a corresponding raise in 1.2. So at least according to that data, a significant portion of measured sites *removed* 1.3?
@ln4711 yes exactly, that's the alarming part, it looks like sites are removing #TLSv13 in favor of #TLSv12. This is the graph you mentioned: https://kjur.github.io/www/sslpulsetrend/index.html#protobest
@eighthave I'd say they did have some problems and just went back to their old setup.
@eighthave There is something even more surprising: the validation level graph. DV is dropping and None is growing.
@eighthave This trend seems to have greatly accelerated in the period when TLS1.3 grew and dropped rapidly.
@eighthave Dunno, but it is at the same moment that HTTP/2 does the same. 🤔