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I am a game programmer engaging in 3D art as a hobby. I recently started using Blender 2.8 but I noticed that whenever I make changes to nodes of a material, it doesn't update it in the 3D viewport until I close and reopen Blender and then my updates appear. Am I supposed to click something to update the material whenever I make changes to the node?

If this issue sounds strange I can upload a video to show it.

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  • $\begingroup$ I want to add that the viewport updates when I paint on a texture already linked in the material. But if I add a new texture or node ... or even remove an existing node it doesn't update that. $\endgroup$
    – Sammy Albert
    Feb 19, 2019 at 22:10
  • $\begingroup$ This seems like a bug, and you should probably report it to the tracker with video, system specs, video driver version etc (developer.blender.org). The viewport definitely should update. $\endgroup$
    – Sazerac
    Feb 19, 2019 at 22:46
  • $\begingroup$ Not just the viewport. Even the material tab in the properties window doesn't update the material in its preview. $\endgroup$
    – Sammy Albert
    Feb 19, 2019 at 23:16

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Are you on a Mac? This is a bug in the current MacOS build of Blender 2.8:

https://developer.blender.org/T616411

A workaround is to make another change and then undo it by pressing ctrl+z

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  • $\begingroup$ Wow! You are totally right. Thanks for this. It helps a lot, and I hope it helps other people too. $\endgroup$
    – Sammy Albert
    Feb 21, 2019 at 8:31
  • $\begingroup$ In the newest release it's already fixed. $\endgroup$
    – Martin Ackerl
    Feb 21, 2019 at 9:20
  • $\begingroup$ That's great to hear $\endgroup$
    – Sammy Albert
    Mar 5, 2019 at 6:22

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