hide replies" is now black (instead of blue), with reddit-lines and at the bottom of the reply thread
and some useless empty space above the button which is... this css thing, i know nothing about how it works /* rs=AGKMywFl9WKMpy1oyEBupyLxQi4kts6hOA | https://www.youtube.com/s//ytmainappweb//ss/k=ytmainappweb.kevlar_base.tlofi4mC2mA.L.F4.O/am=AAAAIAik/d=0/br=1/rs=AGKMywFl9WKMpy1oyEBupyLxQi4kts6hOA */
.ytSubThreadSubThreadContent { /* margin-top: 12px; */ }
to hide lines: add these to your adblock filter list (to close replies you need to click on the lines (even though they're deleted, i hate this)):
www.youtube.com##.ytd-comment-view-model.style-scope.threadline
www.youtube.com###collapsed-threads > .ytSubThreadTopLevelThread.ytSubThreadHasButton.ytSubThreadHost > .ytSubThreadThreadline > .ytSubThreadConnection
www.youtube.com###expanded-threads > yt-sub-thread.ytSubThreadTopLevelThread.ytSubThreadHost > .ytSubThreadThreadline > .ytSubThreadContinuation
www.youtube.com###expanded-threads > yt-sub-thread.ytSubThreadTopLevelThread.ytSubThreadHost > .ytSubThreadThreadline > .ytSubThreadConnection
www.youtube.com###expanded-threads > .ytSubThreadHost > .ytSubThreadThreadline > .ytSubThreadConnection
www.youtube.com###expanded-threads > yt-sub-thread.ytSubThreadHost > .ytSubThreadThreadline > .ytSubThreadContinuation
also: when watching videos in incognito mode-there are BIG thumbnails on the right from time to time (addon is allowed to work in incognito)
and some weird /* rs=AGKMywFl9WKMpy1oyEBupyLxQi4kts6hOA | https://www.youtube.com/s//ytmainappweb//ss/k=ytmainappweb.kevlar_base.tlofi4mC2mA.L.F4.O/am=AAAAIAik/d=0/br=1/rs=AGKMywFl9WKMpy1oyEBupyLxQi4kts6hOA */
.ytSubThreadSubThreadContent { /* margin-top: 12px; */ }