NuGet 2.8.7 Release Notes
NuGet 2.8.6 Release Notes | NuGet 2.9-RC Release Notes
NuGet 2.8.7 was released July 27, 2015 as a patch update to the 2.8.6 VSIX with fix specific to a bug that effected Powershell policy implementation. https://github.com/NuGet/Home/issues/974