On way to 9th RISCV workshop in chennai, preliminary slides here http://hands.com/~lkcl/libre_riscv_chennai_2018.pdf
Contains links to other talks but not accepted ones.
Paul Boddie i still owe you a reply to your message.
New crowdfunding campaign being discussed, help raise awareness. Also included would like to do a Libre 3D GPU. Actually GPGPU so using gallium3d-llvm with minor acceleration and adequate vectorisation.