v0.5.22

AbstractGPs v0.5.22

Diff since v0.5.21

Merged pull requests:

• Add Aqua tests (#395) (@simsurace)
• fix a docstring typo in intro (#396) (@lanceXwq)
• Resolve issues with Zygote.jl and mean_vector (#415) (@soldasim)

Closed issues:

• Zygote errors with parameterized mean functions and multidimensional input (#344)
• Conflict between Zygote and AbstractGPs (#394)
• CategoricalLikelihood compatibility with LatentGP (#404)