Cannot use Dagger with Julia 1.11 (alpha2)

[eschnett]

I have Julia 1.11 (alpha2) installed on macOS via juliaup. using Dagger leads to this error:

julia> using Dagger
Precompiling Dagger...
Info Given Dagger was explicitly requested, output will be shown live
ERROR: LoadError: UndefVarError: `ScopedValue` not defined in `Dagger`
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/Dagger/Tx54v/src/options.jl:3
 [2] include(mod::Module, _path::String)
   @ Base ./Base.jl:558
 [3] include(x::String)
   @ Dagger ~/.julia/packages/Dagger/Tx54v/src/Dagger.jl:1
 [4] top-level scope
   @ ~/.julia/packages/Dagger/Tx54v/src/Dagger.jl:29
 [5] include
   @ ./Base.jl:558 [inlined]
 [6] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::Nothing)
   @ Base ./loading.jl:2679
 [7] top-level scope
   @ stdin:4
in expression starting at /Users/eschnett/.julia/packages/Dagger/Tx54v/src/options.jl:3
in expression starting at /Users/eschnett/.julia/packages/Dagger/Tx54v/src/Dagger.jl:1
in expression starting at stdin:4
  ✗ Dagger
  0 dependencies successfully precompiled in 3 seconds. 55 already precompiled.

ERROR: The following 1 direct dependency failed to precompile:

Dagger

Failed to precompile Dagger [d58978e5-989f-55fb-8d15-ea34adc7bf54] to "/Users/eschnett/.julia/compiled/v1.11/Dagger/jl_riZZSC".
Stacktrace:
  [1] error(s::String)
    @ Base ./error.jl:35
  [2] precompilepkgs(pkgs::Vector{…}; internal_call::Bool, strict::Bool, warn_loaded::Bool, timing::Bool, _from_loading::Bool, configs::Pair{…}, io::Base.TTY, fancyprint::Bool)
    @ Base.Precompilation ./precompilation.jl:935
  [3] _require(pkg::Base.PkgId, env::String)
    @ Base ./loading.jl:2336
  [4] __require_prelocked(uuidkey::Base.PkgId, env::String)
    @ Base ./loading.jl:2175
  [5] #invoke_in_world#3
    @ ./essentials.jl:1064 [inlined]
  [6] invoke_in_world
    @ ./essentials.jl:1061 [inlined]
  [7] _require_prelocked(uuidkey::Base.PkgId, env::String)
    @ Base ./loading.jl:2166
  [8] macro expansion
    @ ./loading.jl:2106 [inlined]
  [9] macro expansion
    @ ./lock.jl:273 [inlined]
 [10] __require(into::Module, mod::Symbol)
    @ Base ./loading.jl:2063
 [11] #invoke_in_world#3
    @ ./essentials.jl:1064 [inlined]
 [12] invoke_in_world
    @ ./essentials.jl:1061 [inlined]
 [13] require(into::Module, mod::Symbol)
    @ Base ./loading.jl:2056
Some type information was truncated. Use `show(err)` to see complete types.

julia> versioninfo()
Julia Version 1.11.0-alpha2
Commit 9dfd28ab751 (2024-03-18 20:35 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: macOS (x86_64-apple-darwin22.4.0)
  CPU: 16 × Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
  WORD_SIZE: 64
  LLVM: libLLVM-16.0.6 (ORCJIT, skylake)
Threads: 8 default, 0 interactive, 4 GC (on 16 virtual cores)