A possible software security issue may have been the reason why support for the desktop gadget feature has been removed in current but unreleased builds of Windows 8.
Windows 10: Three years, one billion devices - how is Microsoft doing so far?
Windows 10 Insider Preview build 14379 out now for PC and Mobile
Huawei's MateBook goes toe-to-toe with Surface
Microsoft: Windows 10 Anniversary Update available on Aug. 2 - here's what's new
99% of Windows 10 Mobile devices are Lumias (and other Windows phone insights)
Ransomware: what it is, and what you can do about it
Newly leaked screenshots from an unreleased build of Windows 8 reportedly shows that desktop gadget support won't be a part of the OS when it launches later this fall.
Horloger is a standalone gadget that puts a great looking clock on your Windows 7 and Windows Vista desktop. it comes in 2 sizes, 4 styles, many different languages and works on both 32- and 64 bit