Followed by the Visual Studio 2017 updates (version: 15.5.3 and 15.5.4) in this January, Microsoft released another build with some new fixes and improvements. Heading towards the next major update, this bumps up the version number to 15.5.5.
To know what are the new fixes part of this new update (version: 15.5.5), check out this post. Don't forget to check the 'Known Issues' before upgrading.