If you want to know if your voice assistant Bixby is up-to-date on your Samsung Galaxy S8, then you can easily check this. How exactly, explains the following article:
To see if a new software update is available for the language assistant, proceed as follows step by step:
1. Press the Bixby button on the left side of the housing
2. Bixby opens now - Select the three-point symbol in the top right corner and then Settings
3. Scroll down to "About Bixby" - If you see a button with "Update", then an update is available.
If you see" The version is already updated", then your language assistant is on the latest software release.
You now know the procedure to check on the Samsung Galaxy S8 whether the language assistant Bixby is up to date