MesoNH 5.7 contrib : - externalized partially the electricity scheme with LIMA/ICE3 - turbulent mixing of mixing ratios of snow, graupel, hail and liquid droplets - applications of manual transfo of the code to use fxtran and pyft_tool - comparison methods uniformized in compare.py + automatic building - Dr_Hook, single precision and harmonization of testprogs - NEC compilation + runs handling