Realm Lag is MUCH worse after 26.0

Immediately after updating to the new 26.0 update, me, all my realm members, and other people on the internet have noticed that realms are much more laggy after this new 26.0 update. Now I don't exactly have a before and after, because I didn’t think the new update would ruin the game this much, but it is unplayable currently, I haven’t played since, I took some clips of the lag, in some of the clips there are around 7 people on the realm, usually its laggy when more than 3 people are on, but it has never been this unplayable. In the clip where I'm in the end, I'm trying to fly back to the end island, and BOOM, I teleport over 1000 blocks past it, like do we even test these updates before they come out? And then the clip where I randomly teleport into someone's base underground, I was so speechless when that happened, I knew the base was close, but I just randomly teleported into it.