I discovered that with the last update the video_shader option stopped working. I tried creating setting the option in the GUI and saving it but it doesn’t appear at all. My guess is that the information is just stored in the retroarch.glslp file Am I right?
EDIT TO ADD FURTHER DETAILS
In the past I had a config file that I appended with the --appendconfig option with this content.
auto_shaders_enable = "true"
video_shader_dir = "~/.config/retroarch/shaders"
video_shader = "~/.config/retroarch/shaders/shaders_glsl/crt/crt-geom.glslp"
video_shader_enable = "true"
That was enough to apply the shader. So, if I completely removed retroarch.cfg and I launched it (like it was the first time using it) appending my config above, everything was correct. Now, the same process gives me no shader at all.
Regards