To anyone as ignorant as I:
"CDL" is "controlled digital lending" and this is how that lawsuit has gone so far (as of October last year):
blog.archive.org/2022/10/17/th…
The publishers seem to be arguing that all digital lending is a potential threat to their business and libraries have no right to do it. That's as expected. It seems the lawsuit has not reached a summary judgement, reached a settlement, nor gone to court yet?