diff --git a/.github/actions/add-azure-application-insights-release-annotation/Add-ReleaseAnnotation.ps1 b/.github/actions/add-azure-application-insights-release-annotation/Add-ReleaseAnnotation.ps1
index 4d1c6a1a8..5ce83edaf 100644
--- a/.github/actions/add-azure-application-insights-release-annotation/Add-ReleaseAnnotation.ps1
+++ b/.github/actions/add-azure-application-insights-release-annotation/Add-ReleaseAnnotation.ps1
@@ -24,7 +24,7 @@ $body = ConvertTo-Json $annotation -Compress
 # Az CLI and Invoke-AzRestMethod both work in GitHub Actions, but Az throws various (inconsistent) errors in localhost.
 Invoke-AzRestMethod -Path "$ApplicationInsightsResourceId/Annotations?api-version=2015-05-01" -Method PUT -Payload $body
 
-if (!$?)
+if (-not $?)
 {
     exit 1
 }
diff --git a/.github/actions/build-dotnet/Build-DotNetSolutionOrProject.ps1 b/.github/actions/build-dotnet/Build-DotNetSolutionOrProject.ps1
index 546b2fcac..b88a1518f 100644
--- a/.github/actions/build-dotnet/Build-DotNetSolutionOrProject.ps1
+++ b/.github/actions/build-dotnet/Build-DotNetSolutionOrProject.ps1
@@ -73,7 +73,7 @@ dotnet build $SolutionOrProject @buildSwitches 2>&1 | ForEach-Object {
     if ($noErrors) { Write-Output "::error file=$file,line=$line,col=$column::$message" }
 }
 
-if ($noErrors -and !$?)
+if ($noErrors -and -not $?)
 {
     exit 1
 }
@@ -122,4 +122,3 @@ if ($expectedErrorCodes)
     Write-Output 'Verification complete, the solution or project only has the expected errors!'
     exit 0
 }
-
diff --git a/.github/actions/publish-nuget/New-NuGetPackage.ps1 b/.github/actions/publish-nuget/New-NuGetPackage.ps1
index c84ff012e..c65b0b0df 100644
--- a/.github/actions/publish-nuget/New-NuGetPackage.ps1
+++ b/.github/actions/publish-nuget/New-NuGetPackage.ps1
@@ -64,7 +64,7 @@ function Get-ProjectProperty
 
 $shouldDownloadBaseLinePackages = ($EnablePackageValidation -And
     $PackageValidationBaselineVersion -And
-    !($Version -match '-(alpha|beta|preview|rc)[.-]') -And
+    -not ($Version -match '-(alpha|beta|preview|rc)[.-]') -And
     $Version.Split('.')[0] -le $PackageValidationBaselineVersion.Split('.')[0])
 
 $projects = (Test-Path *.sln) ? (dotnet sln list | Select-Object -Skip 2 | Get-Item) : (Get-ChildItem *.csproj)
diff --git a/.github/actions/test-dotnet/Invoke-SolutionTests.ps1 b/.github/actions/test-dotnet/Invoke-SolutionTests.ps1
index ec6ede103..5d86ba5d2 100644
--- a/.github/actions/test-dotnet/Invoke-SolutionTests.ps1
+++ b/.github/actions/test-dotnet/Invoke-SolutionTests.ps1
@@ -208,9 +208,9 @@ foreach ($test in $tests)
 
     $processResult = StartProcessAndWaitForExit -FileName 'dotnet' -Arguments "test $($dotnetTestSwitches -join ' ')" -Timeout $TestProcessTimeout
 
-    if ($processResult.ExitCode -eq 0 -or (!$processResult.HasExited -and $processResult.HasTestRunSuccessfully))
+    if ($processResult.ExitCode -eq 0 -or (-not $processResult.HasExited -and $processResult.HasTestRunSuccessfully))
     {
-        if (!$processResult.HasExited)
+        if (-not $processResult.HasExited)
         {
             Write-Output "::warning::The process $($processResult.ProcessId) for $test was killed but the tests were successful."
         }
diff --git a/.github/actions/verify-submodule-pull-request/Check-Parent.ps1 b/.github/actions/verify-submodule-pull-request/Check-Parent.ps1
index 6dc50b369..6c8544f7f 100644
--- a/.github/actions/verify-submodule-pull-request/Check-Parent.ps1
+++ b/.github/actions/verify-submodule-pull-request/Check-Parent.ps1
@@ -3,7 +3,7 @@ param(
     [string] $Branch
 )
 
-if (!($Branch -match '(\w+-\d+)'))
+if (-not ($Branch -match '(\w+-\d+)'))
 {
     exit
 }
diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index 68d60d3a0..281af3c9f 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -75,7 +75,7 @@ jobs:
           dotnet-version: ${{ inputs.dotnet-version }}
 
       - name: Publish to NuGet
-        uses: Lombiq/GitHub-Actions/.github/actions/publish-nuget@issue/OSOE-838-publish-nuget
+        uses: Lombiq/GitHub-Actions/.github/actions/publish-nuget@dev
         with:
           source: ${{ inputs.source }}
           verbosity: ${{ inputs.verbosity }}