diff --git a/.gitpod.yml b/.gitpod.yml
index 554be24e..65a4a1e2 100644
--- a/.gitpod.yml
+++ b/.gitpod.yml
@@ -9,9 +9,9 @@ tasks:
 
 vscode:
   extensions:
-    - BazelBuild.vscode-bazel@0.4.1
-    - Ionide.Ionide-fsharp@5.7.3
-    - muhammad-sammy.csharp@1.23.16
+    - BazelBuild.vscode-bazel@0.5.0
+    - Ionide.Ionide-fsharp@5.11.1
+    - muhammad-sammy.csharp@1.24.0
 
 github:
   prebuilds:
diff --git a/.gitpod/gitpod.Dockerfile b/.gitpod/gitpod.Dockerfile
index 5b9ed296..28d9ee19 100644
--- a/.gitpod/gitpod.Dockerfile
+++ b/.gitpod/gitpod.Dockerfile
@@ -64,11 +64,11 @@ RUN curl -o ibazel_linux_amd64 -fsSL https://github.com/bazelbuild/bazel-watcher
   && chmod +x $HOME/bin/ibazel
 
 # Install buildifier
-RUN curl -o buildifier-linux-amd64 -fsSL https://github.com/bazelbuild/buildtools/releases/download/4.2.2/buildifier-linux-amd64 \
+RUN curl -o buildifier-linux-amd64 -fsSL https://github.com/bazelbuild/buildtools/releases/download/5.0.1/buildifier-linux-amd64 \
   && mv ./buildifier-linux-amd64 $HOME/bin/buildifier \
   && chmod +x $HOME/bin/buildifier
 
 # Install buildozer
-RUN curl -o buildozer-linux-amd64 -fsSL https://github.com/bazelbuild/buildtools/releases/download/4.2.2/buildozer-linux-amd64 \
+RUN curl -o buildozer-linux-amd64 -fsSL https://github.com/bazelbuild/buildtools/releases/download/5.0.1/buildozer-linux-amd64 \
   && mv ./buildozer-linux-amd64 $HOME/bin/buildozer \
   && chmod +x $HOME/bin/buildozer
diff --git a/dotnet/private/actions/assembly_core.bzl b/dotnet/private/actions/assembly_core.bzl
index c096647c..5f8f6c22 100644
--- a/dotnet/private/actions/assembly_core.bzl
+++ b/dotnet/private/actions/assembly_core.bzl
@@ -188,6 +188,11 @@ def emit_assembly_core_csharp(
         arguments = action_args,
         mnemonic = "Compile",
         tools = runner_tools,
+        env = {
+            # Set so that compilations work on remote execution workers that don't have ICU installed
+            # ICU should not be required during compliation but only at runtime
+            "DOTNET_SYSTEM_GLOBALIZATION_INVARIANT": "1",
+        },
         progress_message = (
             "Compiling " + dotnet.label.package + ":" + dotnet.label.name
         ),
@@ -217,6 +222,7 @@ def emit_assembly_core_csharp(
 
     return new_library
 
+# buildifier: disable=unused-variable
 def emit_assembly_core_fsharp(
         dotnet,
         name,
@@ -407,6 +413,9 @@ def emit_assembly_core_fsharp(
             # If the script is in a directory using a 'global.json' then ensure the relevant .NET SDK is installed. The output from '/path/to/dotnet --version' in the directory '/path' was:
             # 'The user's home directory could not be determined. Set the 'DOTNET_CLI_HOME' environment variable to specify the directory to use.' and the exit code was '1'.
             "DOTNET_CLI_HOME": runner.executable.dirname,
+            # Set so that compilations work on remote execution workers that don't have ICU installed
+            # ICU should not be required during compliation but only at runtime
+            "DOTNET_SYSTEM_GLOBALIZATION_INVARIANT": "1",
         },
         progress_message = (
             "Compiling " + dotnet.label.package + ":" + dotnet.label.name
diff --git a/dotnet/private/actions/resolve.bzl b/dotnet/private/actions/resolve.bzl
index 308139ba..cfa9691b 100644
--- a/dotnet/private/actions/resolve.bzl
+++ b/dotnet/private/actions/resolve.bzl
@@ -257,6 +257,7 @@ def _ResolveTransitiveLevel9(arg, version):
 
     fail("Unknown argument %s" % arg)
 
+# buildifier: disable=unused-variable
 def _ResolveTransitiveLevel10(arg, version):
     result = []
     if (type(arg)) == "list":
diff --git a/dotnet/private/actions/resx_core.bzl b/dotnet/private/actions/resx_core.bzl
index 07c02ac3..5dce9574 100644
--- a/dotnet/private/actions/resx_core.bzl
+++ b/dotnet/private/actions/resx_core.bzl
@@ -5,7 +5,7 @@ load(
     "DotnetResourceInfo",
 )
 
-def _make_runner_arglist(dotnet, source, output, resgen):
+def _make_runner_arglist(dotnet, source, output):
     args = dotnet.actions.args()
 
     if type(source) == "Target":
@@ -46,7 +46,7 @@ def emit_resx_core(
     else:
         result = dotnet.actions.declare_file(out)
 
-    args = _make_runner_arglist(dotnet, src, result, customresgen.files_to_run.executable.path)
+    args = _make_runner_arglist(dotnet, src, result)
 
     # We use the command to extrace shell path and force runfiles creation
     resolve = dotnet._ctx.resolve_tools(tools = [customresgen])
diff --git a/dotnet/private/context.bzl b/dotnet/private/context.bzl
index 74645724..f44a6c2e 100644
--- a/dotnet/private/context.bzl
+++ b/dotnet/private/context.bzl
@@ -42,12 +42,6 @@ DotnetContextInfo = provider(
     },
 )
 
-def _declare_file(dotnet, path = None, ext = None, sibling = None):
-    result = path if path else dotnet._ctx.label.name
-    if ext:
-        result += ext
-    return dotnet.actions.declare_file(result, sibling = sibling)
-
 def new_library(
         dotnet,
         name = None,
@@ -137,8 +131,6 @@ def dotnet_context(ctx, lang):
     Returns:
         DotnetContextInfo: [DotnetContextInfo](api.md#dotnetcontextinfo) provider for ctx rule.
     """
-    attr = ctx.attr
-
     if lang == "csharp":
         toolchain = ctx.toolchains["@io_bazel_rules_dotnet//dotnet:toolchain_type_csharp_core"]
     elif lang == "fsharp":
diff --git a/dotnet/private/rules/csharp/library.bzl b/dotnet/private/rules/csharp/library.bzl
index 7bb36d94..791dcc14 100644
--- a/dotnet/private/rules/csharp/library.bzl
+++ b/dotnet/private/rules/csharp/library.bzl
@@ -35,8 +35,6 @@ def _library_impl(ctx):
         version = (0, 0, 0, 0, "") if ctx.attr.version == "" else parse_version(ctx.attr.version),
     )
 
-    runfiles = ctx.runfiles(files = [], transitive_files = library.runfiles)
-
     return [
         library,
         DefaultInfo(
diff --git a/dotnet/private/rules/fsharp/library.bzl b/dotnet/private/rules/fsharp/library.bzl
index 4cddd8c0..fd4bc441 100644
--- a/dotnet/private/rules/fsharp/library.bzl
+++ b/dotnet/private/rules/fsharp/library.bzl
@@ -35,8 +35,6 @@ def _library_impl(ctx):
         version = (0, 0, 0, 0, "") if ctx.attr.version == "" else parse_version(ctx.attr.version),
     )
 
-    runfiles = ctx.runfiles(files = [], transitive_files = library.runfiles)
-
     return [
         library,
         DefaultInfo(
diff --git a/dotnet/private/rules/nuget.bzl b/dotnet/private/rules/nuget.bzl
index 76eea34d..5ec8e124 100644
--- a/dotnet/private/rules/nuget.bzl
+++ b/dotnet/private/rules/nuget.bzl
@@ -9,7 +9,6 @@ def _dotnet_nuget_impl(
         build_file_content = None):
     """dotnet_nuget_impl emits actions for exposing nunit assmebly."""
 
-    package = ctx.attr.package
     output_dir = ctx.path("")
     url = ctx.attr.source + "/" + ctx.attr.package + "/" + ctx.attr.version
     ctx.download_and_extract(url, output_dir, ctx.attr.sha256, type = "zip")
@@ -123,24 +122,6 @@ _FUNC2 = """
 
 """
 
-def _get_importlib(func, func2, name, lib, ref, deps, files, version):
-    depsstr = ""
-    for d in deps:
-        depsstr += "    \"{}\",\n".format(d)
-    datastr = ""
-    for f in files:
-        datastr += "    \"{}\",\n".format(f)
-
-    if lib != "":
-        if ref != "" and ref != None:
-            result = _FUNC_WITH_REF.format(func, name, lib, ref, depsstr, datastr, version)
-        else:
-            result = _FUNC.format(func, name, lib, depsstr, datastr, version)
-    else:
-        result = _FUNC2.format(func2, name, depsstr, datastr)
-
-    return result
-
 def _get_importlib_withframework(func, func2, name, frameworks, lib, ref, deps, files, version):
     result = ""
     for framework in frameworks:
@@ -197,7 +178,6 @@ def _nuget_package_impl(ctx):
             content = content + """"{}": "{}",""".format(key, val)
         content += """}, no_match_error = "framework not known"), visibility=["//visibility:public"])\n"""
 
-    package = ctx.attr.package
     output_dir = ctx.path("")
     urls = [s + "/" + ctx.attr.package + "/" + ctx.attr.version for s in ctx.attr.source]
     ctx.download_and_extract(urls, output_dir, ctx.attr.sha256, type = "zip")
diff --git a/dotnet/private/rules/resource_core.bzl b/dotnet/private/rules/resource_core.bzl
index 8895dda3..e2c4da55 100644
--- a/dotnet/private/rules/resource_core.bzl
+++ b/dotnet/private/rules/resource_core.bzl
@@ -1,9 +1,5 @@
 ".resource rules"
 
-load(
-    "@io_bazel_rules_dotnet//dotnet/private:context.bzl",
-    "dotnet_context",
-)
 load(
     "@io_bazel_rules_dotnet//dotnet/private:providers.bzl",
     "DotnetResourceInfo",
@@ -13,7 +9,6 @@ load("@rules_dotnet_skylib//lib:paths.bzl", "paths")
 
 def _resource_impl(ctx):
     """core_resource_impl emits actions for embeding file as resource."""
-    dotnet = dotnet_context(ctx, "csharp")
     name = ctx.label.name
 
     resource = DotnetResourceInfo(
@@ -31,9 +26,6 @@ def _resource_impl(ctx):
     ]
 
 def _resource_multi_impl(ctx):
-    dotnet = dotnet_context(ctx, "csharp")
-    name = ctx.label.name
-
     if ctx.attr.identifierBase != "" and ctx.attr.fixedIdentifierBase != "":
         fail("Both identifierBase and fixedIdentifierBase cannot be specified")
 
diff --git a/dotnet/private/rules/resx.bzl b/dotnet/private/rules/resx.bzl
index b3e22c92..4f9b8a06 100644
--- a/dotnet/private/rules/resx.bzl
+++ b/dotnet/private/rules/resx.bzl
@@ -33,7 +33,6 @@ def _resx_impl(ctx):
 
 def _resx_multi_impl(ctx):
     dotnet = dotnet_context(ctx, "csharp")
-    name = ctx.label.name
 
     if ctx.attr.identifierBase != "" and ctx.attr.fixedIdentifierBase != "":
         fail("Both identifierBase and fixedIdentifierBase cannot be specified")
diff --git a/dotnet/toolchain/toolchains.bzl b/dotnet/toolchain/toolchains.bzl
index bb08c3c4..cef3932b 100644
--- a/dotnet/toolchain/toolchains.bzl
+++ b/dotnet/toolchain/toolchains.bzl
@@ -173,6 +173,7 @@ _toolchains = _generate_toolchains()
 
 _label_prefix = "@io_bazel_rules_dotnet//dotnet/toolchain:"
 
+# buildifier: disable=unused-variable
 def dotnet_register_toolchains(name = None):
     """The macro registers all toolchains."""
 
@@ -201,6 +202,7 @@ def declare_toolchains():
         )
 
 # buildifier: disable=function-docstring-args
+# buildifier: disable=unused-variable
 def declare_constraints(name = None):
     """Generates constraint_values and platform targets for valid platforms.
     """