diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 19588bd..bfc26f9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.1.1"
+  ".": "2.2.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 1fdb990..94357b3 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 48
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/imagekit-inc%2Fimagekit-84f0d75048a9268981a84800b4190e3691997ce57dcfc0876f38a5b3fce6bacd.yml
-openapi_spec_hash: 35607d4e850c8a60524223ff632c83bb
-config_hash: aeb6eb949d73382270bbd8bbf2e4cf2a
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/imagekit-inc%2Fimagekit-13fc3d7cafdea492f62eef7c1d63424d6d9d8adbff74b9f6ca6fd3fc12a36840.yml
+openapi_spec_hash: a1fe6fa48207791657a1ea2d60a6dfcc
+config_hash: 47cb702ee2cb52c58d803ae39ade9b44
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ce4e1e..6a9b04c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## 2.2.0 (2026-02-02)
+
+Full Changelog: [v2.1.1...v2.2.0](https://github.com/imagekit-developer/imagekit-go/compare/v2.1.1...v2.2.0)
+
+### Features
+
+* **api:** add customMetadata property to folder schema ([71fcd55](https://github.com/imagekit-developer/imagekit-go/commit/71fcd554cadcbc4981b57078a2ab9c2fbe72be51))
+* **client:** add a convenient param.SetJSON helper ([7db0b48](https://github.com/imagekit-developer/imagekit-go/commit/7db0b4829c864151bda74f002c122f8a018118a0))
+
+
+### Bug Fixes
+
+* **api:** add missing embeddedMetadata and video properties to FileDetails ([b0e6909](https://github.com/imagekit-developer/imagekit-go/commit/b0e69096abac1ceba154150495cc2ae508ba63a0))
+* **docs:** fix mcp installation instructions for remote servers ([f3875dd](https://github.com/imagekit-developer/imagekit-go/commit/f3875dddc1017d0db1ac2f3a86bd905bb941353d))
+* **tests:** update subtitle references to use plural form ([7d180b7](https://github.com/imagekit-developer/imagekit-go/commit/7d180b758a232951e4b5c918c9dcc47aa11e99ab))
+
 ## 2.1.1 (2026-01-20)
 
 Full Changelog: [v2.1.0...v2.1.1](https://github.com/imagekit-developer/imagekit-go/compare/v2.1.0...v2.1.1)
diff --git a/README.md b/README.md
index e914d88..ffc95e0 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ Or to pin the version:
 <!-- x-release-please-start-version -->
 
 ```sh
-go get -u 'github.com/imagekit-developer/imagekit-go/v2@v2.1.1'
+go get -u 'github.com/imagekit-developer/imagekit-go/v2@v2.2.0'
 ```
 
 <!-- x-release-please-end -->
diff --git a/asset.go b/asset.go
index 366218e..ff95c4e 100644
--- a/asset.go
+++ b/asset.go
@@ -56,15 +56,22 @@ func (r *AssetService) List(ctx context.Context, query AssetListParams, opts ...
 // Use the methods beginning with 'As' to cast the union to one of its variants.
 type AssetListResponseUnion struct {
 	// This field is from variant [File].
-	AITags    []FileAITag `json:"AITags"`
-	CreatedAt time.Time   `json:"createdAt"`
+	AITags []FileAITag `json:"AITags"`
 	// This field is from variant [File].
-	CustomCoordinates string `json:"customCoordinates"`
+	AudioCodec string `json:"audioCodec"`
+	// This field is from variant [File].
+	BitRate   int64     `json:"bitRate"`
+	CreatedAt time.Time `json:"createdAt"`
 	// This field is from variant [File].
-	CustomMetadata map[string]any `json:"customMetadata"`
+	CustomCoordinates string `json:"customCoordinates"`
+	CustomMetadata    any    `json:"customMetadata"`
 	// This field is from variant [File].
 	Description string `json:"description"`
 	// This field is from variant [File].
+	Duration int64 `json:"duration"`
+	// This field is from variant [File].
+	EmbeddedMetadata map[string]any `json:"embeddedMetadata"`
+	// This field is from variant [File].
 	FileID string `json:"fileId"`
 	// This field is from variant [File].
 	FilePath string `json:"filePath"`
@@ -97,6 +104,8 @@ type AssetListResponseUnion struct {
 	// This field is from variant [File].
 	VersionInfo FileVersionInfo `json:"versionInfo"`
 	// This field is from variant [File].
+	VideoCodec string `json:"videoCodec"`
+	// This field is from variant [File].
 	Width float64 `json:"width"`
 	// This field is from variant [Folder].
 	FolderID string `json:"folderId"`
@@ -104,10 +113,14 @@ type AssetListResponseUnion struct {
 	FolderPath string `json:"folderPath"`
 	JSON       struct {
 		AITags               respjson.Field
+		AudioCodec           respjson.Field
+		BitRate              respjson.Field
 		CreatedAt            respjson.Field
 		CustomCoordinates    respjson.Field
 		CustomMetadata       respjson.Field
 		Description          respjson.Field
+		Duration             respjson.Field
+		EmbeddedMetadata     respjson.Field
 		FileID               respjson.Field
 		FilePath             respjson.Field
 		FileType             respjson.Field
@@ -125,6 +138,7 @@ type AssetListResponseUnion struct {
 		UpdatedAt            respjson.Field
 		URL                  respjson.Field
 		VersionInfo          respjson.Field
+		VideoCodec           respjson.Field
 		Width                respjson.Field
 		FolderID             respjson.Field
 		FolderPath           respjson.Field
diff --git a/file.go b/file.go
index afa48a9..bbd0f90 100644
--- a/file.go
+++ b/file.go
@@ -169,6 +169,10 @@ func (r *FileService) Upload(ctx context.Context, body FileUploadParams, opts ..
 type File struct {
 	// An array of tags assigned to the file by auto tagging.
 	AITags []FileAITag `json:"AITags,nullable"`
+	// The audio codec used in the video (only for video/audio).
+	AudioCodec string `json:"audioCodec"`
+	// The bit rate of the video in kbps (only for video).
+	BitRate int64 `json:"bitRate"`
 	// Date and time when the file was uploaded. The date and time is in ISO8601
 	// format.
 	CreatedAt time.Time `json:"createdAt" format:"date-time"`
@@ -179,6 +183,11 @@ type File struct {
 	// Optional text to describe the contents of the file. Can be set by the user or
 	// the ai-auto-description extension.
 	Description string `json:"description"`
+	// The duration of the video in seconds (only for video).
+	Duration int64 `json:"duration"`
+	// Consolidated embedded metadata associated with the file. It includes exif, iptc,
+	// and xmp data.
+	EmbeddedMetadata map[string]any `json:"embeddedMetadata"`
 	// Unique identifier of the asset.
 	FileID string `json:"fileId"`
 	// Path of the file. This is the path you would use in the URL to access the file.
@@ -227,15 +236,21 @@ type File struct {
 	URL string `json:"url" format:"uri"`
 	// An object with details of the file version.
 	VersionInfo FileVersionInfo `json:"versionInfo"`
+	// The video codec used in the video (only for video).
+	VideoCodec string `json:"videoCodec"`
 	// Width of the file.
 	Width float64 `json:"width"`
 	// JSON contains metadata for fields, check presence with [respjson.Field.Valid].
 	JSON struct {
 		AITags               respjson.Field
+		AudioCodec           respjson.Field
+		BitRate              respjson.Field
 		CreatedAt            respjson.Field
 		CustomCoordinates    respjson.Field
 		CustomMetadata       respjson.Field
 		Description          respjson.Field
+		Duration             respjson.Field
+		EmbeddedMetadata     respjson.Field
 		FileID               respjson.Field
 		FilePath             respjson.Field
 		FileType             respjson.Field
@@ -253,6 +268,7 @@ type File struct {
 		UpdatedAt            respjson.Field
 		URL                  respjson.Field
 		VersionInfo          respjson.Field
+		VideoCodec           respjson.Field
 		Width                respjson.Field
 		ExtraFields          map[string]respjson.Field
 		raw                  string
@@ -591,6 +607,9 @@ type Folder struct {
 	// Date and time when the folder was created. The date and time is in ISO8601
 	// format.
 	CreatedAt time.Time `json:"createdAt" format:"date-time"`
+	// An object with custom metadata for the folder. Returns empty object if no custom
+	// metadata is set.
+	CustomMetadata map[string]any `json:"customMetadata"`
 	// Unique identifier of the asset.
 	FolderID string `json:"folderId"`
 	// Path of the folder. This is the path you would use in the URL to access the
@@ -609,14 +628,15 @@ type Folder struct {
 	UpdatedAt time.Time `json:"updatedAt" format:"date-time"`
 	// JSON contains metadata for fields, check presence with [respjson.Field.Valid].
 	JSON struct {
-		CreatedAt   respjson.Field
-		FolderID    respjson.Field
-		FolderPath  respjson.Field
-		Name        respjson.Field
-		Type        respjson.Field
-		UpdatedAt   respjson.Field
-		ExtraFields map[string]respjson.Field
-		raw         string
+		CreatedAt      respjson.Field
+		CustomMetadata respjson.Field
+		FolderID       respjson.Field
+		FolderPath     respjson.Field
+		Name           respjson.Field
+		Type           respjson.Field
+		UpdatedAt      respjson.Field
+		ExtraFields    map[string]respjson.Field
+		raw            string
 	} `json:"-"`
 }
 
diff --git a/internal/version.go b/internal/version.go
index e670ce2..0759deb 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -2,4 +2,4 @@
 
 package internal
 
-const PackageVersion = "2.1.1" // x-release-please-version
+const PackageVersion = "2.2.0" // x-release-please-version
diff --git a/lib/helper.go b/lib/helper.go
index d8e4bf8..ea38f91 100644
--- a/lib/helper.go
+++ b/lib/helper.go
@@ -569,7 +569,7 @@ func (r *HelperService) processOverlay(overlay shared.OverlayUnionParam) string
 			encoding = "auto"
 		}
 
-		entries = append(entries, "l-subtitle")
+		entries = append(entries, "l-subtitles")
 		entries = append(entries, processInputPath(subtitleOverlay.Input, encoding))
 		baseOverlay = &subtitleOverlay.BaseOverlayParam
 
diff --git a/packages/param/param.go b/packages/param/param.go
index cf1b12c..2fb7bea 100644
--- a/packages/param/param.go
+++ b/packages/param/param.go
@@ -41,6 +41,19 @@ func Override[T ParamStruct, PtrT InferPtr[T]](v any) T {
 	return *pt
 }
 
+// SetJSON configures a param struct to serialize with the provided raw JSON data.
+// Use this when you have existing JSON that you want to send as request parameters.
+//
+//	var req example.NewUserParams
+//	var rawJSON = []byte(`{"name": "...", "age": 40}`)
+//	param.SetJSON(rawJSON, &req)
+//	res, err := client.Users.New(ctx, req)
+//
+// Note: The struct's existing fields will be ignored; only the provided JSON is serialized.
+func SetJSON(rawJSON []byte, ptr anyParamStruct) {
+	ptr.setMetadata(json.RawMessage(rawJSON))
+}
+
 // IsOmitted returns true if v is the zero value of its type.
 //
 // If IsOmitted is true, and the field uses a `json:"...,omitzero"` tag,
@@ -91,6 +104,11 @@ type ParamStruct interface {
 	extraFields() map[string]any
 }
 
+// A pointer to ParamStruct
+type anyParamStruct interface {
+	setMetadata(any)
+}
+
 // This is an implementation detail and should never be explicitly set.
 type InferPtr[T ParamStruct] interface {
 	setMetadata(any)
diff --git a/tests/helper_overlay_test.go b/tests/helper_overlay_test.go
index 8205cfa..4e730d1 100644
--- a/tests/helper_overlay_test.go
+++ b/tests/helper_overlay_test.go
@@ -256,7 +256,7 @@ func TestOverlayTransformations(t *testing.T) {
 			Transformation:         transformation,
 		})
 
-		expected := "https://ik.imagekit.io/test_url_endpoint/tr:l-subtitle,i-subtitle.srt,l-end/base-video.mp4"
+		expected := "https://ik.imagekit.io/test_url_endpoint/tr:l-subtitles,i-subtitle.srt,l-end/base-video.mp4"
 		if url != expected {
 			t.Errorf("Expected %s, got %s", expected, url)
 		}
@@ -461,7 +461,7 @@ func TestOverlayTransformations(t *testing.T) {
 			Transformation:         transformation,
 		})
 
-		expected := "https://ik.imagekit.io/test_url_endpoint/tr:l-text,i-Every%20thing,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,fs-20,ff-Arial,co-0000ff,ia-left,pa-5,al-7,tg-b,bg-red,r-10,rt-N45,fl-h,lh-20,l-end:l-image,i-logo.png,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,rt-N45,fl-h,l-text,i-Nested%20text%20overlay,l-end,l-end:l-video,i-play-pause-loop.mp4,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,rt-N45,fl-h,l-end:l-subtitle,i-subtitle.srt,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,bg-red,co-0000ff,ff-Arial,fol-2_A1CCDD50,fsh-A1CCDD_3,l-end:l-image,i-ik_canvas,bg-FF0000,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,al-0.5,bg-red,e-gradient,r-max,l-end/base-image.jpg"
+		expected := "https://ik.imagekit.io/test_url_endpoint/tr:l-text,i-Every%20thing,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,fs-20,ff-Arial,co-0000ff,ia-left,pa-5,al-7,tg-b,bg-red,r-10,rt-N45,fl-h,lh-20,l-end:l-image,i-logo.png,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,rt-N45,fl-h,l-text,i-Nested%20text%20overlay,l-end,l-end:l-video,i-play-pause-loop.mp4,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,rt-N45,fl-h,l-end:l-subtitles,i-subtitle.srt,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,bg-red,co-0000ff,ff-Arial,fol-2_A1CCDD50,fsh-A1CCDD_3,l-end:l-image,i-ik_canvas,bg-FF0000,lx-10,ly-20,lfo-center,lso-5,leo-15,ldu-10,w-bw_mul_0.5,h-bh_mul_0.5,al-0.5,bg-red,e-gradient,r-max,l-end/base-image.jpg"
 		if url != expected {
 			t.Errorf("Expected %s, got %s", expected, url)
 		}
@@ -777,7 +777,7 @@ func TestOverlayEncoding(t *testing.T) {
 			Transformation:         transformation,
 		})
 
-		expected := "https://ik.imagekit.io/demo/tr:l-subtitle,i-sub.srt,l-end/sample.mp4"
+		expected := "https://ik.imagekit.io/demo/tr:l-subtitles,i-sub.srt,l-end/sample.mp4"
 		if url != expected {
 			t.Errorf("Expected %s, got %s", expected, url)
 		}
@@ -803,7 +803,7 @@ func TestOverlayEncoding(t *testing.T) {
 			Transformation:         transformation,
 		})
 
-		expected := "https://ik.imagekit.io/demo/tr:l-subtitle,ie-c3ViLnNydA%3D%3D,l-end/sample.mp4"
+		expected := "https://ik.imagekit.io/demo/tr:l-subtitles,ie-c3ViLnNydA%3D%3D,l-end/sample.mp4"
 		if url != expected {
 			t.Errorf("Expected %s, got %s", expected, url)
 		}