Fix shutdown cleanup and prepare 1.0.1

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
     runs-on: windows-latest
     timeout-minutes: 30
     env:
-      PACKAGE_VERSION: 1.0.0
+      PACKAGE_VERSION: 1.0.1
     steps:
       - uses: actions/checkout@v4
         with:

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.0.1 - 2026-09-18
+
+- Fix shutdown cleanup so Notepad++ can exit normally with CSV Visual Editor loaded.
+- Add a production-host regression check for clean Notepad++ shutdown.
+
 ## 1.0.0 - 2026-09-18
 
 - First stable Windows x64 release.

README.md

@@ -15,8 +15,8 @@ A 64-bit Notepad++ plugin for viewing, editing, filtering and inspecting CSV dat
 
 ## Version
 
-The first stable release is **1.0.0** for 64-bit Notepad++ on Windows. The
-production release gate is tested with Notepad++ 8.9.8 x64.
+The current stable maintenance line is **1.0.1** for 64-bit Notepad++ on Windows.
+The production release gate is tested with Notepad++ 8.9.8 x64.
 
 ## Installation
 

docs/building.md

@@ -25,13 +25,13 @@ All commands above must succeed before publishing a build. The seven maintained
 
 ## Stable release and Plugins Admin
 
-The stable product version is `1.0.0`. Project code is GPL-3.0-only; do not
+The current stable maintenance version is `1.0.1`. Project code is GPL-3.0-only; do not
 remove `LICENSE` or `THIRD_PARTY_NOTICES.txt` from a distributed package.
 
 The complete Windows release gate is:
 
 ```powershell
-pwsh -NoProfile -File tools/build-local.ps1 -PackageVersion 1.0.0
+pwsh -NoProfile -File tools/build-local.ps1 -PackageVersion 1.0.1
 ```
 
 It runs release-policy tests in addition to localization, Core, Native AOT and

packaging/nppPluginList/entry.template.json

@@ -1,10 +1,10 @@
 {
   "folder-name": "CsvVisualEditor",
   "display-name": "CSV Visual Editor",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "npp-compatible-versions": "[8.9.8,]",
-  "id": "<SHA256_OF_CsvVisualEditor-1.0.0-win-x64.zip>",
-  "repository": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor/releases/download/v1.0.0/CsvVisualEditor-1.0.0-win-x64.zip",
+  "id": "<SHA256_OF_CsvVisualEditor-1.0.1-win-x64.zip>",
+  "repository": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor/releases/download/v1.0.1/CsvVisualEditor-1.0.0-win-x64.zip",
   "description": "View, edit, filter and inspect CSV data in a docked table with conflict-checked Apply and Notepad++ undo.",
   "author": "Zolnai Zsolt",
   "homepage": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor"

packaging/nppPluginList/entry.x64.json

@@ -1,10 +1,10 @@
 {
   "folder-name": "CsvVisualEditor",
   "display-name": "CSV Visual Editor",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "npp-compatible-versions": "[8.9.8,]",
-  "id": "e513b9316806662dd358853c7f0a718ba78c50ca5b2992d3db23c4c0d77bd351",
-  "repository": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor/releases/download/v1.0.0/CsvVisualEditor-1.0.0-win-x64.zip",
+  "id": "2405357696cca26f6887701ab6d4e58c7c8671a201796c7a454048b521b29978",
+  "repository": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor/releases/download/v1.0.1/CsvVisualEditor-1.0.1-win-x64.zip",
   "description": "View, edit, filter and inspect CSV data in a docked table with conflict-checked Apply and Notepad++ undo.",
   "author": "Zolnai Zsolt",
   "homepage": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor"

packaging/release-manifest-1.0.1.json

@@ -0,0 +1,19 @@
+{
+  "version": "1.0.1",
+  "zip": "CsvVisualEditor-1.0.1-win-x64.zip",
+  "zipSha256": "2405357696cca26f6887701ab6d4e58c7c8671a201796c7a454048b521b29978",
+  "dll": "CsvVisualEditor.dll",
+  "dllSha256": "f1340be31577ea443199de43844b6170bcd72e05d34229a93f546d973fd542b8",
+  "pluginAdminList": "src/pl.x64.json",
+  "pluginAdminEntry": {
+  "folder-name": "CsvVisualEditor",
+  "display-name": "CSV Visual Editor",
+  "version": "1.0.1",
+  "npp-compatible-versions": "[8.9.8,]",
+  "id": "2405357696cca26f6887701ab6d4e58c7c8671a201796c7a454048b521b29978",
+  "repository": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor/releases/download/v1.0.1/CsvVisualEditor-1.0.1-win-x64.zip",
+  "description": "View, edit, filter and inspect CSV data in a docked table with conflict-checked Apply and Notepad++ undo.",
+  "author": "Zolnai Zsolt",
+  "homepage": "https://github.com/zzsolt/notepadplusplus-csv-visual-editor"
+}
+}

packaging/release-notes-1.0.1.md

@@ -0,0 +1,13 @@
+# CSV Visual Editor 1.0.1
+
+Maintenance release fixing clean Notepad++ shutdown with CSV Visual Editor loaded.
+
+- Fix plugin shutdown cleanup so Plugins Admin restart-based operations can proceed.
+- Add production-host regression coverage for normal Notepad++ exit.
+- Preserve the 1.0 feature set, package layout and Notepad++ 8.9.8 compatibility floor.
+
+Validated release package:
+
+- `CsvVisualEditor-1.0.1-win-x64.zip`
+- ZIP SHA-256: `2405357696cca26f6887701ab6d4e58c7c8671a201796c7a454048b521b29978`
+- DLL SHA-256: `f1340be31577ea443199de43844b6170bcd72e05d34229a93f546d973fd542b8`

src/CsvVisualEditor/CsvVisualEditor.csproj

@@ -8,7 +8,7 @@
     <IsPackable>false</IsPackable>
     <AssemblyName>CsvVisualEditor</AssemblyName>
     <RootNamespace>CsvVisualEditor</RootNamespace>
-    <Version>1.0.0</Version>
+    <Version>1.0.1</Version>
     <Authors>Zolnai Zsolt</Authors>
     <Copyright>Copyright © 2026 Zolnai Zsolt</Copyright>
     <Description>A 64-bit Notepad++ plugin for viewing, editing, filtering and inspecting CSV data in a docked table.</Description>

src/CsvVisualEditor/Main.cs

@@ -452,11 +452,10 @@ private void PluginCleanUp()
 
         PluginData.FuncItems.Dispose();
 
-        if (PluginData.PluginNamePtr != IntPtr.Zero)
-        {
-            Marshal.FreeHGlobal(PluginData.PluginNamePtr);
-            PluginData.PluginNamePtr = IntPtr.Zero;
-        }
+        // PluginNamePtr's setter owns the allocation and frees the previous pointer.
+        // Assigning zero is sufficient; freeing it manually first would double-free
+        // the unmanaged string during Notepad++ shutdown.
+        PluginData.PluginNamePtr = IntPtr.Zero;
     }
 }
 

tests/host-review/Invoke-HostReview.ps1

@@ -232,8 +232,12 @@ try {
     $aboutText=@([CsvHostWindows]::Children($about) | ForEach-Object { [CsvHostWindows]::ControlText($_) }) -join "`n"
     if(!$aboutText.Contains('Zolnai Zsolt') -or !$aboutText.Contains('zzsolt@gmail.com') -or !$aboutText.Contains($env:PACKAGE_VERSION)) {throw 'Production About content or package version mismatch'}
     Send-Native $about 0x10 ([IntPtr]::Zero) ([IntPtr]::Zero) | Out-Null
-    [ordered]@{ NotepadVersion=(Get-Item $exe).VersionInfo.ProductVersion; Windows=[Environment]::OSVersion.VersionString; Dpi=[CsvHostWindows]::GetDpiForWindow($form); DllSha256=(Get-FileHash $library -Algorithm SHA256).Hash; ProductionDllLoaded=$true; SearchCountObserved=$true; SearchClearObserved=$true; AboutObserved=$true; PackageVersion=$env:PACKAGE_VERSION; DockWidths=$resizes; DataFilterPreviewObserved=$true; DataFilterApplied=$true; DataSummaryObserved=$true; DataCancelPreserved=$true; DataResetObserved=$true; SourceBufferUnchanged=$true; Scope='Automated production-host load/search/resize/About and data filter/preview/apply/cancel/reset/summary, exact source buffer preservation. Not manual acceptance or editing Apply/Undo coverage.' } | ConvertTo-Json | Set-Content (Join-Path $output 'host-evidence.json')
-    Write-Host 'Real Notepad++ production-DLL load/render/search review completed.'
+    $evidence = [ordered]@{ NotepadVersion=(Get-Item $exe).VersionInfo.ProductVersion; Windows=[Environment]::OSVersion.VersionString; Dpi=[CsvHostWindows]::GetDpiForWindow($form); DllSha256=(Get-FileHash $library -Algorithm SHA256).Hash; ProductionDllLoaded=$true; SearchCountObserved=$true; SearchClearObserved=$true; AboutObserved=$true; PackageVersion=$env:PACKAGE_VERSION; DockWidths=$resizes; DataFilterPreviewObserved=$true; DataFilterApplied=$true; DataSummaryObserved=$true; DataCancelPreserved=$true; DataResetObserved=$true; SourceBufferUnchanged=$true; CleanShutdownObserved=$false; Scope='Automated production-host load/search/resize/About and data filter/preview/apply/cancel/reset/summary, exact source buffer preservation, and normal Notepad++ shutdown with the production plugin loaded. Not manual acceptance or editing Apply/Undo coverage.' }
+    [CsvHostWindows]::PostMessage($window,0x10,[IntPtr]::Zero,[IntPtr]::Zero) | Out-Null
+    if (!$process.WaitForExit(10000)) { throw 'Notepad++ did not exit cleanly with the production plugin loaded' }
+    $evidence.CleanShutdownObserved = $true
+    $evidence | ConvertTo-Json | Set-Content (Join-Path $output 'host-evidence.json')
+    Write-Host 'Real Notepad++ production-DLL load/render/search/shutdown review completed.'
 } finally {
     if($process -and !$process.HasExited) { $process.Kill(); $process.WaitForExit() }
     Remove-Item -LiteralPath $homeDir -Recurse -Force

tests/release/test_release_package.py

@@ -15,14 +15,14 @@
 
 class ReleasePackageTests(unittest.TestCase):
     def test_entry_matches_plugins_admin_contract(self):
-        entry = release.plugin_admin_entry("1.0.0", "a" * 64)
+        entry = release.plugin_admin_entry("1.0.1", "a" * 64)
         self.assertEqual("CsvVisualEditor", entry["folder-name"])
         self.assertEqual("CSV Visual Editor", entry["display-name"])
-        self.assertEqual("1.0.0", entry["version"])
+        self.assertEqual("1.0.1", entry["version"])
         self.assertEqual("[8.9.8,]", entry["npp-compatible-versions"])
         self.assertEqual("a" * 64, entry["id"])
         self.assertTrue(entry["repository"].endswith(
-            "/releases/download/v1.0.0/CsvVisualEditor-1.0.0-win-x64.zip"
+            "/releases/download/v1.0.1/CsvVisualEditor-1.0.1-win-x64.zip"
         ))
         self.assertEqual("Zolnai Zsolt", entry["author"])
 
@@ -36,7 +36,7 @@ def test_archive_requires_root_dll_and_notices(self):
                 archive.writestr("CsvVisualEditor.dll", dll.read_bytes())
                 archive.writestr("LICENSE.txt", "GPL")
                 archive.writestr("THIRD_PARTY_NOTICES.txt", "third-party")
-            zip_hash, dll_hash = release.verify_archive(package, dll, "1.0.0")
+            zip_hash, dll_hash = release.verify_archive(package, dll, "1.0.1")
             self.assertEqual(64, len(zip_hash))
             self.assertEqual(release.sha256_bytes(dll.read_bytes()), dll_hash)
 
@@ -49,14 +49,14 @@ def test_nested_dll_is_rejected(self):
                 archive.writestr("LICENSE.txt", "GPL")
                 archive.writestr("THIRD_PARTY_NOTICES.txt", "third-party")
             with self.assertRaises(ValueError):
-                release.verify_archive(package, None, "1.0.0")
+                release.verify_archive(package, None, "1.0.1")
 
     def test_repository_declares_stable_gpl_release(self):
         project = (ROOT / "src/CsvVisualEditor/CsvVisualEditor.csproj").read_text(encoding="utf-8")
-        self.assertIn("<Version>1.0.0</Version>", project)
+        self.assertIn("<Version>1.0.1</Version>", project)
         self.assertIn("<PackageLicenseExpression>GPL-3.0-only</PackageLicenseExpression>", project)
         workflow = (ROOT / ".github/workflows/ci.yml").read_text(encoding="utf-8")
-        self.assertIn("PACKAGE_VERSION: 1.0.0", workflow)
+        self.assertIn("PACKAGE_VERSION: 1.0.1", workflow)
         build = (ROOT / "tools/build-local.ps1").read_text(encoding="utf-8")
         self.assertIn("Join-Path $layout 'CsvVisualEditor.dll'", build)
         self.assertIn("LICENSE.txt", build)
@@ -68,6 +68,14 @@ def test_repository_declares_stable_gpl_release(self):
         self.assertIn("Npp.DotNet.Plugin 1.0.0-alpha.10", notices)
         self.assertIn(".NET Runtime / Native AOT 10.0.12", notices)
 
+    def test_shutdown_does_not_double_free_plugin_name(self):
+        main = (ROOT / "src/CsvVisualEditor/Main.cs").read_text(encoding="utf-8")
+        self.assertIn("PluginData.PluginNamePtr = IntPtr.Zero;", main)
+        self.assertNotIn("Marshal.FreeHGlobal(PluginData.PluginNamePtr)", main)
+        host_review = (ROOT / "tests/host-review/Invoke-HostReview.ps1").read_text(encoding="utf-8")
+        self.assertIn("WaitForExit(10000)", host_review)
+        self.assertIn("CleanShutdownObserved=$false", host_review)
+
     def test_template_has_required_plugins_admin_fields(self):
         data = json.loads((ROOT / "packaging/nppPluginList/entry.template.json").read_text(encoding="utf-8"))
         for key in ("folder-name", "display-name", "version", "npp-compatible-versions",

tools/build-local.ps1

@@ -1,5 +1,5 @@
 param(
-    [string] $PackageVersion = ("1.0.0-local." + [DateTime]::UtcNow.ToString('yyyyMMddHHmmss'))
+    [string] $PackageVersion = ("1.0.1-local." + [DateTime]::UtcNow.ToString('yyyyMMddHHmmss'))
 )
 
 $ErrorActionPreference = 'Stop'