Update

[ImranMansoor]

sorry to say
S8 series won't get Android 10

[ImranMansoor]

regarding the sources we get
end of January 2020 year we might get Android 10 for Galaxy 9 series and Note 9 series above models

[Ayounas]

Might be will be come End of Feb 2020 Andriod 10 on S8+