The following is a summary for both players and devs looking for info on the state of mod 17 PVP:
A lot of the PVP changes mentioned in the mod 17 patch notes and elseware aren't in the live build for mod 17 at all. It sounds like the devs are going to release the missing PVP changes and possibly others we don't know about yet within upcoming patches over the next few weeks. The PVP season rewards and new boons are among the things that are missing right now on live and it looks like the PVP season event is going to start in 1 month.
Players across the board do a lot more damage than they did in mod 16. This is because the critical severity tenacity debuff was disabled during mod 17. Most players and at least some devs thought it had already been disabled in mod 16 but this later turned out to be wrong.
A critical hit for a high damage encounter power or daily power can one shot players with around 300k HP and this happens relatively often now.
This means this mod is shifting to favor more offense oriented builds and playstyles over defensive ones. Critical strike has become even more important than it was last mod and the incentive to add some critical severity and critical avoidance to your character is also stronger now.
Tanks and healers got several nerfs this mod. So far, all the players I've encountered are killable now. Some players I fought today are still tanky but most I've seen haven't adjusted yet and are made of glass right now.
Warlock healers seem to be mostly unchanged from how they were in mod 16.
The leaderboard is currently disabled right now and glory gain is still bugged.
The reduction to stamina regen in PVP is also important to be aware of. You now have to pay closer attention to you and your opponent's stamina since it takes longer to get it back.
A lot more players than usual are queing for PVP so far.
A lot of players seem to like mod 17's PVP more than mod 16's PVP so far but its still considered broken and unfinished.
--[----- "Your friendly neighborhood spawn of Satan." -----]--
Main Character: MarigoldsTheShredder (Rogue Assassin)
Ingame Handle: trgluestickz
Discord Name: Marigolds🔪Gluestickz#2563
Full Gaming Name: Gluestickz The Gap Closer
Guilds: She Looked LVL 18 & Essence of Aggression
Alliances: Imperium & Vermilion