diff --git a/CHANGELOG.md b/CHANGELOG.md
index e04993c2dd..f8be3a4f6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## v1.4.477 (2026-09-03)
+
+### PR [#2211](https://github.com/danielmiessler/Fabric/pull/2211) by [ksylvan](https://github.com/ksylvan): fix: prevent pattern loader temporary directory leaks
+
+- Prevent pattern loader leaks by lazily creating temporary directories during database population and cleaning them up after successful or failed downloads.
+- Add regression tests for lazy directory creation and cleanup.
+
+## v1.4.476 (2026-09-03)
+
+### PR [#2210](https://github.com/danielmiessler/Fabric/pull/2210) by [ksylvan](https://github.com/ksylvan): feat: add Pzero as an OpenAI-compatible AI provider
+
+- Added Pzero as an OpenAI-compatible AI provider.
+- Registered Pzero with its OpenAI-compatible API base URL.
+- Added Pzero to the README’s list of supported AI providers.
+
 ## v1.4.475 (2026-09-03)
 
 ### PR [#2209](https://github.com/danielmiessler/Fabric/pull/2209) by [kadiryildiz283](https://github.com/kadiryildiz283): feat(i18n): add Turkish (tr) translation
diff --git a/README.md b/README.md
index 117431c9db..e272973f20 100644
--- a/README.md
+++ b/README.md
@@ -374,6 +374,7 @@ Fabric supports a wide range of AI providers:
 - Mistral
 - Novita AI
 - OpenRouter
+- Pzero
 - SiliconCloud
 - Synthorai
 - Together
diff --git a/cmd/fabric/version.go b/cmd/fabric/version.go
index 92ca8f9b0f..2d883c1ffb 100644
--- a/cmd/fabric/version.go
+++ b/cmd/fabric/version.go
@@ -1,3 +1,3 @@
 package main
 
-var version = "v1.4.475"
+var version = "v1.4.477"
diff --git a/cmd/generate_changelog/changelog.db b/cmd/generate_changelog/changelog.db
index 744da0d4c1..fd6ae8a44b 100644
Binary files a/cmd/generate_changelog/changelog.db and b/cmd/generate_changelog/changelog.db differ
diff --git a/internal/plugins/ai/openai_compatible/providers_config.go b/internal/plugins/ai/openai_compatible/providers_config.go
index d9cfafceb3..13c659a555 100644
--- a/internal/plugins/ai/openai_compatible/providers_config.go
+++ b/internal/plugins/ai/openai_compatible/providers_config.go
@@ -289,6 +289,11 @@ var ProviderMap = map[string]ProviderConfig{
 		BaseURL:             "https://openrouter.ai/api/v1",
 		ImplementsResponses: false,
 	},
+	"Pzero": {
+		Name:                "Pzero",
+		BaseURL:             "https://api.pzero.studio/v1",
+		ImplementsResponses: false,
+	},
 	"SiliconCloud": {
 		Name:                "SiliconCloud",
 		BaseURL:             "https://api.siliconflow.cn/v1",
diff --git a/internal/tools/patterns_loader.go b/internal/tools/patterns_loader.go
index 8351a2d824..103356bfc3 100644
--- a/internal/tools/patterns_loader.go
+++ b/internal/tools/patterns_loader.go
@@ -59,13 +59,6 @@ type PatternsLoader struct {
 
 func (o *PatternsLoader) configure() (err error) {
 	o.pathPatternsPrefix = fmt.Sprintf("%v/", o.DefaultFolder.Value)
-	// Use a consistent temp folder name regardless of the source path structure
-	tempDir, err := os.MkdirTemp("", "fabric-patterns-")
-	if err != nil {
-		return fmt.Errorf(i18n.T("patterns_failed_create_temp_folder"), err)
-	}
-	o.tempPatternsFolder = tempDir
-
 	return
 }
 
@@ -96,6 +89,15 @@ func (o *PatternsLoader) PopulateDB() (err error) {
 	fmt.Println()
 	fmt.Println()
 
+	// Create the temp folder here, not in configure(), so invocations that
+	// do not download patterns do not leak an empty directory (issue #2190).
+	var tempDir string
+	if tempDir, err = os.MkdirTemp("", "fabric-patterns-"); err != nil {
+		return fmt.Errorf(i18n.T("patterns_failed_create_temp_folder"), err)
+	}
+	o.tempPatternsFolder = tempDir
+	defer os.RemoveAll(tempDir)
+
 	originalPath := o.DefaultFolder.Value
 	if err = o.gitCloneAndCopy(); err != nil {
 		return fmt.Errorf(i18n.T("patterns_failed_download_from_git"), err)
diff --git a/internal/tools/patterns_loader_test.go b/internal/tools/patterns_loader_test.go
new file mode 100644
index 0000000000..eb62e45b58
--- /dev/null
+++ b/internal/tools/patterns_loader_test.go
@@ -0,0 +1,63 @@
+package tools
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/danielmiessler/fabric/internal/plugins/db/fsdb"
+)
+
+// Configure runs on every fabric invocation via the plugin registry. It must
+// not create the patterns temp directory; only PopulateDB uses it.
+func TestConfigureDoesNotCreateTempDir(t *testing.T) {
+	tmp := t.TempDir()
+	t.Setenv("TMPDIR", tmp)
+	t.Setenv("TMP", tmp)
+	t.Setenv("TEMP", tmp)
+
+	loader := NewPatternsLoader(&fsdb.PatternsEntity{
+		StorageEntity: &fsdb.StorageEntity{Dir: t.TempDir()},
+	})
+	if err := loader.Configure(); err != nil {
+		t.Fatalf("Configure() failed: %v", err)
+	}
+
+	matches, err := filepath.Glob(filepath.Join(tmp, "fabric-patterns-*"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(matches) != 0 {
+		t.Errorf("Configure() created temp directories: %v", matches)
+	}
+}
+
+// PopulateDB must create the temp directory lazily and remove it when done,
+// even on failure.
+func TestPopulateDBCleansUpTempDir(t *testing.T) {
+	tmp := t.TempDir()
+	t.Setenv("TMPDIR", tmp)
+	t.Setenv("TMP", tmp)
+	t.Setenv("TEMP", tmp)
+
+	loader := NewPatternsLoader(&fsdb.PatternsEntity{
+		StorageEntity: &fsdb.StorageEntity{Dir: t.TempDir()},
+	})
+	if err := loader.Configure(); err != nil {
+		t.Fatalf("Configure() failed: %v", err)
+	}
+	// Point at an invalid repo so PopulateDB fails fast without network.
+	loader.DefaultGitRepoUrl.Value = filepath.Join(t.TempDir(), "no-such-repo")
+
+	if err := loader.PopulateDB(); err == nil {
+		t.Fatal("PopulateDB() unexpectedly succeeded with invalid repo")
+	}
+
+	entries, err := os.ReadDir(tmp)
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, e := range entries {
+		t.Errorf("PopulateDB() left temp entry behind: %v", e.Name())
+	}
+}
diff --git a/nix/pkgs/fabric/version.nix b/nix/pkgs/fabric/version.nix
index a94204779e..60fc23d64d 100644
--- a/nix/pkgs/fabric/version.nix
+++ b/nix/pkgs/fabric/version.nix
@@ -1 +1 @@
-"1.4.475"
+"1.4.477"