Microsoft Win10 10074 and win10 100061 WiFi connection icon contrast

Today Windows 10 build 10074 was exposed, this version of the build has greatly improved the user interface, Microsoft has made appropriate changes to some icons.
For example, you can take a look at the picture below and have a brand new WiFi connection icon in build 10074.

The vertical signal bar icon in Build 10061:

Under the previous vertical signal bar, Microsoft used the fan-shaped WiFi icon that we are familiar with. More in line with the public's aesthetic. It should be noted that build 10074 is currently called the Insider Preview, not the Technical Preview. It seems that Microsoft is still preparing and testing, and will push it to the user after the test is completed.
Which WiFi icon do you prefer than the previous vertical signal strip?