performBatchUpdates
performBatchUpdates is a method used in iOS development with UIKit to efficiently update the user interface by grouping multiple changes to a collection view or table view into a single animated operation. It allows developers to insert, delete, move, and reload items in a batch, reducing visual glitches and improving performance by minimizing layout recalculations. This method is commonly applied in scenarios where data changes dynamically, such as in lists or grids that update frequently.
Developers should use performBatchUpdates when building iOS apps with UIKit to handle complex UI updates in collection views or table views, as it ensures smooth animations and prevents inconsistent states during data changes. It is particularly useful in real-time applications like chat interfaces, social media feeds, or data dashboards where items are added, removed, or reordered based on user interactions or network responses. By batching updates, it enhances user experience by avoiding flickering and maintaining UI responsiveness.