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## Input dictionaries
### system/controlDict
Write compression value now takes a boolean value instead of the values `compressed` or `uncompressed`
writeCompression off;
## Moving mesh solvers
Functionality from many moving mesh solvers promoted to their static mesh equivalents - see [v1806 release notes](https://www.openfoam.com/releases/openfoam-v1806/)
## Meshing
snappyHexMesh: correction to the layer feature angle controls - see [v1806 release notes](https://www.openfoam.com/releases/openfoam-v1806/)