Reversible vitrification of organs is a field starting to show some promise. It will revolutionize the transplant industry, and will bring more attention to cryonics.

https://www.economist.com/news/science-and-technology/216900...

There is also some interesting work spurred by the Brain Preservation Prize:

http://www.brainpreservation.org/small-mammal-announcement/

https://doi.org/10.1016/j.cryobiol.2015.09.003

"We describe here a new cryobiological and neurobiological technique, aldehyde-stabilized cryopreservation (ASC), which demonstrates the relevance and utility of advanced cryopreservation science for the neurobiological research community. ASC is a new brain-banking technique designed to facilitate neuroanatomic research such as connectomics research, and has the unique ability to combine stable long term ice-free sample storage with excellent anatomical resolution."