## what version of Makie are you running? (`]st -m Makie`)
+ `Makie v0.23.0`
#…# can you reproduce the bug with a fresh environment ? (`]activate --temp; add Makie`)
+ Yes.
## What platform + GPU are you on?
+ Ubuntu 24.04, AMD/ATI Phoenix1
## Which backend are you using?
+ GLMakie
## Please provide an minimal example of the failing code.
```julia
using GLMakie
x = [1.0, 2, 3, 4, 5]
y = [1.0, 2, missing, 4, 5]
x2 = [12, 13, missing, 14, 15.0]
y2 = [22, 23, missing, 24, 25.0]
fig = Figure(; size=(800, 800))
axis = Axis(fig[1, 1]; aspect=1, xlabel="X", ylabel="Y")
scatter!(axis, x, y; alpha=0.5)
scatter!(axis, x2, y2; alpha=0.5)
```
Produces error:
```
ERROR: LoadError: MethodError: no method matching create_dim_conversion(::Type{Union{Missing, Float64}})
The function `create_dim_conversion` exists, but no method is defined for this combination of argument types.
Closest candidates are:
create_dim_conversion(::Type{Categorical})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/categorical-integration.jl:48
create_dim_conversion(::Type{<:Dates.AbstractTime})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dates-integration.jl:59
create_dim_conversion(::Type{<:Enum})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/categorical-integration.jl:53
...
Stacktrace:
[1] dim_conversion_from_args(values::Vector{Union{Missing, Float64}})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dim-converts.jl:114
[2] convert_dim_observable(conversions::Makie.DimConversions, dim::Int64, value::Observable{Any}, deregister::Vector{Observables.ObserverFunction})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dim-converts.jl:200
[3] (::Makie.var"#220#222"{UnionAll, PointBased, Tuple{Observable{Any}, Observable{Any}}, Vector{Observables.ObserverFunction}, Makie.DimConversions})(i::Int6
4)
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dim-converts.jl:189
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dim-converts.jl:189
[4] ntuple
@ ./ntuple.jl:19 [inlined]
[5] try_dim_convert(P::Type{Scatter}, PTrait::PointBased, user_attributes::Dict{Symbol, Any}, args_obs::Tuple{Observable{Any}, Observable{Any}}, deregister::Vector{Observables.ObserverFunction})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/dim-converts/dim-converts.jl:183
[6] conversion_pipeline(P::Type{Scatter}, used_attrs::Tuple{}, args::Tuple{Vector{Union{Missing, Float64}}, Vector{Union{Missing, Float64}}}, kw_obs::Observable{Vector{Pair{Symbol, Any}}}, args_obs::Tuple{Observable{Any}, Observable{Any}}, user_attributes::Dict{Symbol, Any}, deregister::Vector{Observables.ObserverFunction}, recursion::Int64)
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/interfaces.jl:220
[7] conversion_pipeline(P::Type{Scatter}, used_attrs::Tuple{}, args::Tuple{Vector{Union{Missing, Float64}}, Vector{Union{Missing, Float64}}}, kw_obs::Observable{Vector{Pair{Symbol, Any}}}, args_obs::Tuple{Observable{Any}, Observable{Any}}, user_attributes::Dict{Symbol, Any}, deregister::Vector{Observables.ObserverFunction})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/interfaces.jl:213
[8] (Scatter)(user_args::Tuple{Vector{Union{Missing, Float64}}, Vector{Union{Missing, Float64}}}, user_attributes::Dict{Symbol, Any})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/interfaces.jl:273
[9] _create_plot!(::Function, ::Dict{Symbol, Any}, ::Axis, ::Vector{Union{Missing, Float64}}, ::Vararg{Vector{Union{Missing, Float64}}})
@ Makie ~/.julia/environments/v1.11/dev/Makie/src/figureplotting.jl:377
[10] scatter!(::Axis, ::Vararg{Any}; kw::@Kwargs{alpha::Float64})
@ MakieCore ~/.julia/environments/v1.11/dev/Makie/MakieCore/src/recipes.jl:512
```