It seems that this news isn’t exactly new, as the coming the tool was reported on the other week.
The new tool has goon through some changes, looking “cleaner, more spacious and faster” than the previous tool, which was launched by Google in November 2014.
Here’s what the new tool looks like:
Here’s what the old version looked like:
Yaniv Loewenstein from the Google Search Console Team wrote:
The updated tool provides us with room to continue to improve on its functionality, and over time, we expect it to replace the previous Mobile Friendly Test. Additionally, of course this tool also works well on your smartphone, if you need to double-check something there!
Here is a screen shot of the alerts you might see: