The package is developed at https://github.com/JuliaPhysics/Measurements.jl. There you can submit bug reports, make suggestions, and propose pull requests.
Have a look at the TODO list below and the bug list at
https://github.com/JuliaPhysics/Measurements.jl/issues, pick-up a task, write
great code to accomplish it and send a pull request. In addition, you can
instruct more mathematical functions to accept Measurement type
arguments. Please, read the technical appendix in order to understand the design
of this package. Bug reports and wishlists are welcome as well.
The ChangeLog of the package is available in NEWS.md file in top directory. There have been some breaking changes from time to time, beware of them when upgrading the package.