The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
32-bit x86 was the platform that supported UseSSE < 2. 64-bit x86 baselines on UseSSE >= 2. After 32-bit x86 code is gone, we can remove all code blocks that are there to support UseSSE < 2.