Is this because I have previous AN add-on?
reloading addon: animation_nodes 1544910486.8574095 1544910962.3037305 '/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/__init__.py'
Modules Installed () from '/Users/jimmygunawan/Downloads/animation_nodes_v2.1_blender2.80_macOS_py37.zip' into '/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons'
GPUShader: compile error:
ERROR: 0:72: Use of undeclared identifier 'gl_FragColor'
Traceback (most recent call last):
File "/Users/jimmygunawan/Downloads/blender-2.80.0-git20181215.351f537fa83-x86_64/blender.app/Contents/Resources/2.80/scripts/modules/addon_utils.py", line 351, in enable
mod = __import__(module_name)
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/__init__.py", line 166, in <module>
auto_load.init()
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/auto_load.py", line 23, in init
modules = get_all_submodules(Path(__file__).parent)
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/auto_load.py", line 51, in get_all_submodules
return list(iter_submodules(directory, directory.name))
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/auto_load.py", line 55, in iter_submodules
yield importlib.import_module("." + name, package_name)
File "/Users/jimmygunawan/Downloads/blender-2.80.0-git20181215.351f537fa83-x86_64/blender.app/Contents/Resources/2.80/python/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/nodes/viewer/viewer_3d.py", line 19, in <module>
matricesShader = getShader(os.path.join(os.path.dirname(__file__), "matrix_shader.glsl"))
File "/Users/jimmygunawan/Library/Application Support/Blender/2.80/scripts/addons/animation_nodes/graphics/import_shader.py", line 10, in getShader
return gpu.types.GPUShader("\n".join(lines[:i]), "\n".join(["\n"] * index + lines[i:]))
Exception: Shader Compile Error, see console for more details
Or is it because of this? MacBookPro 2017

Thanks.
Maybe this fixes it: https://stackoverflow.com/a/26695347/4755171
It should be possible for you to try that fix by changing two lines of code or so. However I don't know which ones right now (I'm on my phone).
Will give more detailed instructions tomorrow.
Navigate to animation_nodes/nodes/viewer/matrix_shade.glsl. After the line // Fragment Shader, change the code to:
flat in vec4 v_Color;
out vec4 fragColor;
void main()
{
fragColor = v_Color;
}
Does this solve the problem?
@OmarSquircleArt Yes, it seems to work!!! And holy crap AN in Blender 2.8 is FAST!
Fixed in 9cfdb0b.
hello
problem with animation node on mac 2017 mojave


@frf2436 Thanks for the report. This was already fixed.
@nch3d Thanks for the report, this was already fixed. Please open a new issue for further reports.
@nch3d Thanks for the report, this was already fixed. Please open a new issue for further reports.
@OmarSquircleArt Thanks.... find this and work!!
https://github.com/JacquesLucke/animation_nodes/commit/f69dda0e1b6ad2da1ed9fd37dda839bf8815370c#diff-0af26f9b9db107e7409421702476aa04
Most helpful comment
Navigate to
animation_nodes/nodes/viewer/matrix_shade.glsl. After the line// Fragment Shader, change the code to:Does this solve the problem?