GBWhatsApp APK's Theme Customization: Does It Affect App Stability?

GBWhatsApp APK is known for allowing extensive theme customization, enabling users to alter the look of their messaging interface significantly. For those who actively use this feature, how has it affected the overall stability and performance of the app? Have you noticed any slowdowns, crashes, or other issues after applying various themes? Please share your insights to help potential users understand if the customization impacts app functionality.