Apple warns developers that during holidays (December 23 to December 27) there are possible delays in app reviewing times.
There are no App Store submission closures this year though.
Apple Developer: Get your apps ready for the holidays
Tag: Submission
Developers can now submit apps for macOS Ventura, iPadOS 16 apps and apps with Live Activities
Apple invites developers to submit apps targeting upcoming releases. Xcode 14.1 RC is required to submit apps to App Store.
Public release for macOS 13 Ventura, iPadOS 16.1 and other platforms is planned for October 24.
Apple Developer:
Apple will require Xcode 13 for App Store submission starting April 25
Apple announced that starting April 25, 2022 all submissions to App Store should be using new SDKs and Xcode 13.
Starting April 25, 2022, iOS, iPadOS, and watchOS apps submitted to the App Store must be built with Xcode 13, which includes the SDKs for iOS 15, iPadOS 15, and watchOS 8.
Apple Developer
Apple Developer: App Store submission requirement starts April 25
App Store now accepts app submissions during holidays
Apple made an announcement this year App Store Connect will be accepting app and update submissions during holidays.
This year, we’re pleased to continue accepting submissions in App Store Connect throughout the upcoming holidays. Make sure your apps are up to date and ready for the busiest season on the App Store. Due to anticipated high volume, plan to send time-sensitive submissions early. Please note that reviews may take longer to complete from November 24 to 28 and December 23 to 27.
Apple Developer