Mirror camera

That is correct. The iPhone X does not support this feature.

From this article:

iOS 14 - Features - Apple

• 1. Open the Settings app on your iPhone or iPad.
• 2. Scroll for Camera and tap on it.
• 3. In the ‘Composition’ section, enable the Mirror Front Camera option.
• 4. Open the Camera app and tap on the Camera switch (bottom-right corner), to switch for the Selfie Camera.
• 5. Tap the Shutter button! That’s it, you’ve just snapped your first mirrored selfie! Fact: Don’t forget to disable the ‘Mirror Front ...

I'm waaaay more active here when the new iOS rolls out. I have this need to understand the differences and figure out how to help people and also to see how many people moan and whine over the silliest of things. LIKE the App Library. OMG., how can people get so freaking upset over something they simply don't have to use? First world problems, I spose.

Well there you go. Something else to cram into my already over-crammed brain!

Yes, I know that feeling.

That's part of the intrigue of these Communities for me ... there's so much to learn.