This week in Nu #18

Ho ho ho happy holidays!

• andrasio continues work on the subcrate refactor (#1128)
• jonathandturner fixed an issue with utf-8 support (#1126)
• jonathandturner also added a new $nu variable to replace $nu:path and related. Additionally, ps now has a new memory usage column (#1112)
• notryanb helped update our docs with the new $nu variable (#1125)
• quebin31 fixed calling cd by itself (#1124)
• thegedge fixed a performance bug with pipelines between external commands (#1108)