Hi, I just found that with the exact same setting, inverse search which worked fine in LyX 2.0.6 does not work in LyX 2.0.7. (I just removed 2.0.7 and reinstalled 2.0.6 to verify.)
I'm using LyX in Windows with SumatraPDF, with TexLive 2013. Is this a known bug? Best, Joon