Hi,
I have this issue since 2.4.2 but after we updated to 2.4.5 p1 last week, the issue still occurs. We work with different storieviews:
- Standard (default)
- Our main shop (default)
- A 2nd shop (most of the time also default)
All storeviews are on default prices (special price and price). After adding Tier Prices to the Standard storeview through the Amasty Mass Actions plugin (Actions > Update Advanced Prices > Advanced Pricing) and saving, all the default values of the underlying storeviews are unchecked. This is very annoying and time consuming. If we want to adjust prices, the other storeviews do not go along because the default value is not checked resulting in price differences throughout our shops.