Apple has updated Pages, Keynote, and Numbers for macOS to, respectively versions 6.3.1, 7.3.1, and 4.3.1. All offer stability and performance improvements.
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Pages is the word processing app for macOS (and iOS). Keynote (also for iOS) lets you create presentations and slides. Numbers is a spreadsheet app, and, yep, it also has an iOS version. The upgrades are available at the Mac App Store.