Apple on Friday published a revision of some of its App Store review guidelines, loosening some restrictions on streaming game services, online classes, and when developers must use its in-app purchase system, which charges a 30 percent commission.

The company made the changes after criticism from developers over its App Store practices and after rivals such as Microsoft and Alphabet’s Google declined to launch their streaming game platforms on the iPhone because of Apple’s rules.

Apple has long barred catalogues of apps within apps but said Friday that it would allow streaming game companies to create such catalog apps. However, each game within the catalog must still be made into its own standalone app and use Apple’s in-app payment system.

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