diff --git a/api/swagger.yml b/api/swagger.yml
index bf72f730154..1bf5b094497 100644
--- a/api/swagger.yml
+++ b/api/swagger.yml
@@ -343,7 +343,7 @@ components:
       properties:
         type:
           type: string
-          enum: [ added, removed, changed, conflict ]
+          enum: [ added, removed, changed, conflict, prefix_changed ]
         path:
           type: string
         path_type:
diff --git a/clients/java/api/openapi.yaml b/clients/java/api/openapi.yaml
index dfe310dfb73..19c08ac3413 100644
--- a/clients/java/api/openapi.yaml
+++ b/clients/java/api/openapi.yaml
@@ -5009,6 +5009,7 @@ components:
           - removed
           - changed
           - conflict
+          - prefix_changed
           type: string
         path:
           type: string
diff --git a/clients/java/docs/Diff.md b/clients/java/docs/Diff.md
index 5a2856dab7d..640d51ba54f 100644
--- a/clients/java/docs/Diff.md
+++ b/clients/java/docs/Diff.md
@@ -22,6 +22,7 @@ ADDED | "added"
 REMOVED | "removed"
 CHANGED | "changed"
 CONFLICT | "conflict"
+PREFIX_CHANGED | "prefix_changed"
 
 
 
diff --git a/clients/java/src/main/java/io/lakefs/clients/api/model/Diff.java b/clients/java/src/main/java/io/lakefs/clients/api/model/Diff.java
index a19286db4e8..70baf55b23e 100644
--- a/clients/java/src/main/java/io/lakefs/clients/api/model/Diff.java
+++ b/clients/java/src/main/java/io/lakefs/clients/api/model/Diff.java
@@ -40,7 +40,9 @@ public enum TypeEnum {
     
     CHANGED("changed"),
     
-    CONFLICT("conflict");
+    CONFLICT("conflict"),
+    
+    PREFIX_CHANGED("prefix_changed");
 
     private String value;
 
diff --git a/clients/python/lakefs_client/model/diff.py b/clients/python/lakefs_client/model/diff.py
index b8bfeee2086..6daaa6b5a53 100644
--- a/clients/python/lakefs_client/model/diff.py
+++ b/clients/python/lakefs_client/model/diff.py
@@ -61,6 +61,7 @@ class Diff(ModelNormal):
             'REMOVED': "removed",
             'CHANGED': "changed",
             'CONFLICT': "conflict",
+            'PREFIX_CHANGED': "prefix_changed",
         },
         ('path_type',): {
             'COMMON_PREFIX': "common_prefix",
diff --git a/docs/assets/js/swagger.yml b/docs/assets/js/swagger.yml
index 9996c4aeb1f..1bf5b094497 100644
--- a/docs/assets/js/swagger.yml
+++ b/docs/assets/js/swagger.yml
@@ -343,7 +343,7 @@ components:
       properties:
         type:
           type: string
-          enum: [ added, removed, changed, conflict ]
+          enum: [ added, removed, changed, conflict, prefix_changed ]
         path:
           type: string
         path_type:
@@ -863,7 +863,6 @@ components:
           format: date-time
         event_type:
           type: string
-          enum: [ pre_commit, pre_merge ]
         status:
           type: string
           enum: [ failed, completed ]
@@ -2670,6 +2669,15 @@ paths:
         - objects
       operationId: getObject
       summary: get object content
+      parameters:
+        - in: header
+          name: Range
+          description: Byte range to retrieve
+          example: "bytes=0-1023"
+          required: false
+          schema:
+            type: string
+            pattern: '^bytes=((\d*-\d*,? ?)+)$'
       responses:
         200:
           description: object content
@@ -2692,6 +2700,31 @@ paths:
             Content-Disposition:
               schema:
                 type: string
+        206:
+          description: partial object content
+          content:
+            application/octet-stream:
+              schema:
+                type: string
+                format: binary
+          headers:
+            Content-Length:
+              schema:
+                type: integer
+                format: int64
+            Content-Range:
+              schema:
+                type: string
+                pattern: '^bytes=((\d*-\d*,? ?)+)$'
+            Last-Modified:
+              schema:
+                type: string
+            ETag:
+              schema:
+                type: string
+            Content-Disposition:
+              schema:
+                type: string
         401:
           $ref: "#/components/responses/Unauthorized"
         404:
@@ -2704,6 +2737,12 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/Error"
+        416:
+          description: Requested Range Not Satisfiable
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
 
   /repositories/{repository}/branches/{branch}/staging/backing:
     parameters:
diff --git a/pkg/api/controller_test.go b/pkg/api/controller_test.go
index e650cc1d824..857b70fbdbf 100644
--- a/pkg/api/controller_test.go
+++ b/pkg/api/controller_test.go
@@ -1385,7 +1385,7 @@ func TestController_DiffRefs(t *testing.T) {
 		if results[0].Path != prefix {
 			t.Fatalf("wrong result: %s", results[0].Path)
 		}
-		if results[0].Type != "changes under prefix" {
+		if results[0].Type != "prefix_changed" {
 			t.Fatalf("wrong diff type: %s", results[0].Type)
 		}
 	})
diff --git a/pkg/api/transform.go b/pkg/api/transform.go
index dd902fef2e6..8988d9e6669 100644
--- a/pkg/api/transform.go
+++ b/pkg/api/transform.go
@@ -15,7 +15,7 @@ func transformDifferenceTypeToString(d catalog.DifferenceType) string {
 	case catalog.DifferenceTypeConflict:
 		return "conflict"
 	case catalog.DifferenceTypePrefixChanged:
-		return "changes under prefix"
+		return "prefix_changed"
 	default:
 		return ""
 	}
diff --git a/webui/src/lib/components/repository/changes.jsx b/webui/src/lib/components/repository/changes.jsx
index a5ba425f0d4..c50277fd98a 100644
--- a/webui/src/lib/components/repository/changes.jsx
+++ b/webui/src/lib/components/repository/changes.jsx
@@ -210,8 +210,7 @@ function extractPathText(entry, relativeTo) {
 function diffType(entry) {
     switch (entry.type) {
         case 'changed':
-            return 'diff-changed';
-        case 'changes under prefix':
+        case 'prefix_changed':
             return 'diff-changed';
         case 'added':
             return 'diff-added';