diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fcd73438c8..c6b4933675 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -276,6 +276,10 @@ jobs:
   build-dart:
     runs-on: ubuntu-latest
     timeout-minutes: 45
+    # Without id-token, setup-dart skips the pub.dev token, so packages are
+    # fetched anonymously.
+    permissions:
+      contents: read
 
     steps:
       - uses: actions/checkout@v7.0.1
@@ -286,11 +290,6 @@ jobs:
       - name: Setup Dart SDK
         uses: dart-lang/setup-dart@v1
 
-      # setup-dart registers a pub.dev token, which pub then sends on dependency
-      # fetches too. This job only consumes packages, so drop it and stay anonymous.
-      - name: Use pub.dev anonymously
-        run: dart pub token remove https://pub.dev
-
       - name: Fable Tests - Dart
         run: ./build.sh test dart
 
diff --git a/src/Fable.Transforms/Python/Prelude.fs b/src/Fable.Transforms/Python/Prelude.fs
index d14f71f8a6..133c90ed69 100644
--- a/src/Fable.Transforms/Python/Prelude.fs
+++ b/src/Fable.Transforms/Python/Prelude.fs
@@ -173,7 +173,7 @@ module Naming =
 
     let reflectionSuffix = "_reflection"
 
-    let mutable uniqueIndex = 0
+    let mutable private uniqueIndex = 0
 
     let getUniqueIndex () =
         let idx = uniqueIndex
diff --git a/src/fable-standalone/src/Worker/Worker.fs b/src/fable-standalone/src/Worker/Worker.fs
index 56451a9d8c..1097937b16 100644
--- a/src/fable-standalone/src/Worker/Worker.fs
+++ b/src/fable-standalone/src/Worker/Worker.fs
@@ -285,7 +285,7 @@ let private compileFiles fable fsharpNames fsharpCodes (filesToEmit: string[]) l
                 )
                 ()
 
-        let mutable errors = parseResults.Errors
+        let errors = ResizeArray parseResults.Errors
         let mutable fableTransformTime = 0.
         let compiledCode = ResizeArray()
 
@@ -293,8 +293,8 @@ let private compileFiles fable fsharpNames fsharpCodes (filesToEmit: string[]) l
             for fileName in filesToEmit do
                 let! code, fableErrors, transformTime = emitFile fable parseResults fileName language fableOptions
 
-                compiledCode.Add(code)
-                errors <- Array.append errors fableErrors
+                compiledCode.Add code
+                errors.AddRange fableErrors
                 fableTransformTime <- fableTransformTime + transformTime
 
         let stats: CompileStats =
@@ -304,7 +304,7 @@ let private compileFiles fable fsharpNames fsharpCodes (filesToEmit: string[]) l
                 Fable_transform = fableTransformTime
             }
 
-        return (compiledCode.ToArray(), errors, stats)
+        return (compiledCode.ToArray(), errors.ToArray(), stats)
     }
 
 let private describeError (er: exn) =