Use different color for extensions and custom blocks · Issue #1336 · scratchfoundation/scratch-blocks · GitHub

Scratch 3 obsolete block colors · Issue #259 · scratchblocks

Allow custom blocks to be shaped like C blocks (if, repeat

Blocks in Echo of the Light - prototype do not show up · Issue

Allow custom blocks to be shaped like C blocks (if, repeat

Use different color for extensions and custom blocks · Issue #1336

Implement Define blocks · Issue #1102 · scratchfoundation

Make the color of the block a comment is attached to more

Replace scratchblocks with s3blocks · Issue #2726

Replace scratchblocks with s3blocks · Issue #2726

Scratch Block Coding 100: 100 Scratch Coding by Kim, Hena

Scratch Programming: What Are Code Blocks?

CoboBlocks : Scratch e-Blocks for Coding by COBOBLOCKS, INC