There is a 2nd release candidate of Kodi available for testing. Kodi 15.2 Isengard RC2 is a maintenance release with just a few fixes including review fixes on Windows and fixes for Android.
Kodi is a great alternative for Windows Media Center and well worth having a look at. Here are the changes since RC1 and the full details are available at kodi.tv.
• Fix file time used in scanning library which may speed up scanning times on 32bit platforms
• Fix video rewind on Windows. May still leave artifacts for some seconds.
• Fix continues check on system partitions on Android
• Fix MicroDVD subtitles
• Fix subtitles positioning below video
• Fix memory leak on opening Bluray menu for stream selection
• Fix default sorting for songs over UPnP