Yosys 0.30

Yosys 0.29 .. Yosys 0.30

• New commands and options

  • Added "recover_names" pass to recover names post-mapping.

• Gowin support

  • Added remaining primitives blackboxes.

• Various

  • "show -colorattr" will now color the cells, wires, and
    connection arrows.
  • "show -viewer none" will not execute viewer.