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Narasimha-sc
e60a012d22
In groups and channels with thousands of members, opening any screen that shows the member list could briefly freeze the app. The most noticeable case was the "Chats with members" screen: closing a member's chat and returning to the list reloaded everyone and stuttered each time. The app was re-checking every member against every other member while loading the list - work that grows with the square of the group size, so it got dramatically slower as groups grew. It now does this in a single pass, so member lists, @-mentions, channel relays and adding members all stay responsive even in very large groups. You see exactly the same members, in the same order - just without the lag.