I played a bit with these today and encountered some issues:

1. It seems photons from cylindrical light sources are no
    longer deposited in media with 3.7

2. When using spot lights it worked but with identical
    settings the beam of light was much stronger/wider in
    3.7 than it was with 3.6

3. When adding "no_reflection" to media container, the
    reflection for the beam of light prior to hitting the photon
    target was suppressed but reflection of the photon beam itself
    was not suppressed (this problem occurs also in 3.6).

A test scene for points 1 and 2 is attached, images in p.b.i.

Furthermore, media photons were not deposited in 3.6
when the light source was set to "refraction off". This
seems to be already fixed in 3.7

I have to admit this was still tested using beta 35 but
I checked the changelog and the only photon changes FS #93
and FS #95 do not seem to relate to these issues.

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