4.5.0 add protection against negative density/energy in the 4th order compressible method when converting from averages to centers (#309) implement a "clean state" routine for the compressible solvers that can enforce a density floor (#329) updated the citation information (#324) and the zenodo file (#325) code cleaning (#323) added python 3.13 support (#321) CI doc build fixes (#322) and added the ability to skip executing notebooks when building docs (#319) fixed issues with how derived variables are recognized when reading in an output file and add vorticity and machnumber to compressible derives (#294, #320) expand the documentation on the compressible solvers (#317) remove unused APIs from docs (#318) and fix autodoc issues (#316) implement a sponge term in the compressible solvers (#313, #336) add some asserts to the compressible solver to catch unphysical mass and energy (#312) add the compressible convection problem (#293, #310, #315, #337, #338, #339) add a multimode Rayleigh-Taylor problem to the compressible solvers (#307) improve the documentation on working with data (#304, #305) spherical compressible solver fixes (#295, #296, #298, #299, #300) move the 4th order reconstruction into mesh (#302) use a safer divide in compressible when density is zero (#297) add the ability to have a problem-dependent external source and clean-up how the compressible sources are treated (#289, #290, #292)