Microsoft is going to hold a Press Conference in January 21st this Wednesday and will detail the latest version of Windows 10 for PCs.
Before rumors said the company is going also to announce the Windows Mobile OS new version as Windows Phone 10 that might arrive with translucent tiles that could give more stained glass appereance removing the opaque black borders thar permeate the transparent tiles feature introduced in Windows Phone 8.1.
This would match the same feature that will be coming to the XBox One in February.
You can see the leaked picture of the translucent tiles below:
Windows Phone 10
slashgear via wmpoweruser