
Resetting the NVRAM fixed the problem in numerous instances. NVRAM: Even though Apple has documented this in their official documents as a potential fix for many software related issues, users usually disregard this.There is a workaround which fixes the issue instantly.
Dock not hiding bug: Another notorious bug which is present in Apple devices is where the Dock doesn’t hide when applications are opened in full screen. Third-party applications: If you have third-party applications running on your Mac which are not updated for quite a while, it is possible that they are not compatible with your OS version and hence, are causing issues. Resetting the preferences here fixes the problem. Corrupt Dock preferences: Even though this rare, there are several instances where the preferences of the Dock itself are corrupt somehow and are causing issues.
Resetting the Dock entirely usually fixes the problem instantly. Dock in error state: This was one of the most common reasons as to why this issue occurred.