Most 3D application like Maya and Max will automatically store store your shaders as you create it. However with Blender 2.8 this isn’t the case. Maybe this has to do with faster loading times.

In Blender 2.8, you can save it by clicking on the shield icon once you have generated your material. You will see an F next to your shader from the material drop down list, meaning this material has been filed. So when you save your file this material is saved.

Click on the shield icon in Blender 2.8 to save your materials.

From the [...]

1.. Click on the View Layers Icon next to the search bar on the top right panel.

2. Go to the Blender Files from the drop down menu and select it.

3. Select Materials, you will see all the materials from your files.

4. Right click on the materials you like to delete.

5. A popup menu will appear, select Delete to remove the materials from your file. (When you press the X key, this will not delete materials)

Related Guide: How to save your materials in Blender 2.8

Version: Blender 2.8 Beta (March 2019)Type of application: 3D SoftwareRelated [...]