This is a top level issue to collect all the issues relating to missing APIs and behaviour differences in Foundation on non-Apple platforms - [x] https://github.com/apple/swift-corelibs-foundation/issues/4596 - [x] https://github.com/apple/swift-corelibs-foundation/issues/3205 - [x] https://github.com/apple/swift-corelibs-foundation/issues/4618 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/4223 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/4222 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3215 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3214 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3213 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3212 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3211 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/3209 - [ ] https://github.com/apple/swift-corelibs-foundation/issues/4623 - [x] https://github.com/apple/swift-corelibs-foundation/issues/3166 - [x] https://github.com/apple/swift-corelibs-foundation/issues/4646 - [ ] https://github.com/apple/swift-foundation/issues/716