On 19 October the Research Tree becomes a Season Pass. Gold, gems and chests you already collected in the tree are not given twice.
The Mermaid stays a premium reward on tier 1, and free tier 40 now pays 400 Gold.
The Season Pass shows what each tier gave you, with a note when you already collected it in the Research Tree.
Research steps that used to unlock slots now give Gold instead.
Everything free and unlocked
Every Fleet Slot is now free for everyone, including the two that came with Battle Club.
All Challenges slots, challenge option slots and quick-emote slots are unlocked for everyone.
Challenges now give you at least 24 hours to finish.
The Fleet Commander medal is retired, since every fleet slot is free. If you already have it, you keep it.
Battles and friends
Ranked battle results now show how much your BTN rating changed.
Battles pick up where they left off after a server restart or reconnect, so you don't miss your opponent's move.
After a win, challenge a friend straight from the battle board. Your first two daily Challenges have an "Ask a friend to help" button.
Friendly battles now count toward "Sink X ships" Challenges.
You can see your opponent's clan when a battle starts.
Today's Waters: if you don't own the featured ship, you can try it free today in friendly and short ranked battles.
Starting fleets: pick which skin each of your ships wears.
Chests: open them one at a time or all at once with "Open all".
The Calendar now shows today's Tournaments, with a button to join.
Tap a ship on your home screen to open it in the Shipyard.
New community Eel skins by ButterStutter, and the binoculars emote is back in the Shop's daily emote rotation.
Clans
From Monday 12 October, the weekly board ranks Clans by Clan Points instead of battles.
Each week's top 3 clans earn a trophy on their clan profile.
New permanent Weekly Champion medal for members who help their clan win the week (first awarded after 19 October).
A crown count now shows next to clans that have won a week.
Fixes and polish
Settlement: collecting pet forage when your gold is almost full no longer loses gold.
A failed challenge can no longer come back, and the duplicate "challenge failed" notice is gone.
A borrowed ship no longer stops working after a reconnect.
The home screen menu button no longer opens behind the Calendar.
In Preset Fleets tournaments, running out of time while choosing a fleet no longer gives you your own custom fleet.
Daily challenge names are translated into every language, text fits better everywhere, plus new loading screens and a fresh look for the Information Center.