Curve setting getting stuck

I came across a couple of issues using curves on Lightroom CC:

1. When I adjust curves on a photo, then click on "Show Original" or press the \ key, all the other settings are removed from the preview, but the Point Curve setting is not. However, when I navigate to a different photo and then come back to it without having changed any settings, then click on "Show Original" or press the \ key, all settings are removed from the preview including Point Curve. This should be the intended behavior when I want to see the original after changing multiple settings.

2. When I adjust the strength of a Preset that contains a Point Curve adjustment, then double click on the preset strength slider, it resets all the settings except the Point Curve, which still remains at the adjusted strength. When I double click to reset the Preset strength, it should reset the Point Curve strength as well.

Lightroom CC version: 6.4

MacOS version: 12.2.1