Apple's explanation of the export compliance is rather difficult to understand and a complete mix of IT and Law-Knowledge making it difficult to connect to the correct people.
Our app uses:
- Libsodium (using a flutter library, so not apple-default-encryption but open source)
- Https/SSL/... which require no uploads to app store connect.
I couldn't find out if Libsodium is - is accepted by international standard bodies (such as IEEE, IETF, or ITU)
Other Stackoverflow-Questions ("duplicates") do either not contain explicit Open-Source-Software or are missing helpful answers.