A: Glassy blur is implemented in framework of OS3, hence it can't be enabled in HyperOS 2. And if you are on HyperOS 3 your rom or device must support glassy blur via advanced release prop value being 4
A: This happens when your device doesn't support blur natively.Use modules like anti low end which unlocks blur for your device.
A: There's an overlay in the module for unsupported ROMs. Make sure it's installed and enable "Circle to Search" from Navigation Settings.
A: It is because of Lsposed modules in most cases, make sure to turn off hook for launcher if you are using any module to customise launcher externally
A: Yes.
A: No, Xiaomi completely removed support for Android 14 in newer launcher versions and it can't be used in A14 anymore.