I have another project depending on Infinities.jl and Aqua reports over 100 ambiguities. For example
julia> ℵ₀==big(1)
ERROR: MethodError: ==(::InfiniteCardinal{0}, ::BigInt) is ambiguous.
Candidates:
  ==(i::Integer, x::BigInt)
    @ Base.GMP gmp.jl:698
  ==(::InfiniteCardinal, y::Real)
    @ Infinities C:\Users\pty\.julia\packages\Infinities\Y1fpA\src\cardinality.jl:56
Possible fix, define
  ==(::InfiniteCardinal, ::BigInt)
Stacktrace:
 [1] top-level scope
   @ REPL[7]:1