Sorry to hear that, about your recent experience with the latest software updates on your Samsung Galaxy phone having issues with camera missing features and we apologize for the inconvenience it caused you.
Swipe to and tap About Camera, and check if any updates are available. Tap the update if one is available.
If there are no updates available, your screen will read "The latest version is already installed."
Clear the Camera Cache.
Step 1. Launch the Settings app, and then select Apps.
Step 2. Select or search for the camera app.
Step 3. Tap Storage.
If still doesn't work, you can submit an error report through Samsung Members app as follows:
Step 1. Long press Samsung Members icon on Apps screen and tap Error reports.
Step 2. Tap OK on agreement popup to send system log data.
Step 3. Select Symptom category "Camera".
Step 4. Describe the problem in details and SEND.
How to submit an error report on Samsung Members app? | Samsung PH
Hope this content is helpful and your device's issue gets solved.