diff --git a/backend/src/uxbox/services/queries/pages.clj b/backend/src/uxbox/services/queries/pages.clj
index 50efc85ac..4ea47682c 100644
--- a/backend/src/uxbox/services/queries/pages.clj
+++ b/backend/src/uxbox/services/queries/pages.clj
@@ -81,52 +81,38 @@
       (p/then' decode-row)))
 
 
+;; --- Query: Page Changes
 
-;; --- Query: Project Page History (by Page ID)
+(def ^:private
+  sql:page-changes
+  "select pc.id,
+          pc.created_at,
+          pc.changes,
+          pc.revn
+     from page_change as pc
+    where pc.page_id=$1
+    order by pc.revn asc
+    limit $2
+   offset $3")
 
-;; (def ^:private sql:generic-page-history
-;;   "select pph.*
-;;      from project_page_history as pph
-;;     where pph.page_id = $2
-;;       and pph.version < $3
-;;     order by pph.version < desc")
 
-;; (def ^:private sql:page-history
-;;   (str "with history as (" sql:generic-page-history ")"
-;;        " select * from history limit $4"))
+(s/def ::skip ::us/integer)
+(s/def ::limit ::us/integer)
 
-;; (def ^:private sql:pinned-page-history
-;;   (str "with history as (" sql:generic-page-history ")"
-;;        " select * from history where pinned = true limit $4"))
+(s/def ::page-changes
+  (s/keys :req-un [::profile-id ::id ::skip ::limit]))
 
-;; (s/def ::page-id ::us/uuid)
-;; (s/def ::max ::us/integer)
-;; (s/def ::pinned ::us/boolean)
-;; (s/def ::since ::us/integer)
+(defn retrieve-page-changes
+  [conn id skip limit]
+  (-> (db/query conn [sql:page-changes id limit skip])
+      (p/then' #(mapv decode-row %))))
 
-;; (s/def ::project-page-snapshots
-;;   (s/keys :req-un [::page-id ::user]
-;;           :opt-un [::max ::pinned ::since]))
+(sq/defquery ::page-changes
+  [{:keys [profile-id id skip limit]}]
+  (when *assert*
+    (-> (db/query db/pool [sql:page-changes id limit skip])
+        (p/then' #(mapv decode-row %)))))
 
-;; (defn retrieve-page-snapshots
-;;   [conn {:keys [page-id user since max pinned] :or {since Long/MAX_VALUE max 10}}]
-;;   (let [sql (-> (sql/from ["project_page_snapshots" "ph"])
-;;                 (sql/select "ph.*")
-;;                 (sql/where ["ph.user_id = ?" user]
-;;                            ["ph.page_id = ?" page-id]
-;;                            ["ph.version < ?" since]
-;;                            (when pinned
-;;                              ["ph.pinned = ?" true]))
-;;                 (sql/order "ph.version desc")
-;;                 (sql/limit max))]
-;;     (-> (db/query conn (sql/fmt sql))
-;;         (p/then (partial mapv decode-row)))))
-
-;; (sq/defquery ::project-page-snapshots
-;;   [{:keys [page-id user] :as params}]
-;;   (db/with-atomic [conn db/pool]
-;;     (p/do! (retrieve-page conn {:id page-id :user user})
-;;            (retrieve-page-snapshots conn params))))
 
 ;; --- Helpers
 
diff --git a/backend/tests/user.clj b/backend/tests/user.clj
index 7a6b1be0c..2c1f43b82 100644
--- a/backend/tests/user.clj
+++ b/backend/tests/user.clj
@@ -15,14 +15,17 @@
    [clojure.pprint :refer [pprint]]
    [clojure.test :as test]
    [clojure.java.io :as io]
+   [uxbox.common.pages :as cp]
    [clojure.repl :refer :all]
    [criterium.core :refer [quick-bench bench with-progress-reporting]]
    [clj-kondo.core :as kondo]
    [promesa.core :as p]
    [promesa.exec :as px]
    [uxbox.migrations]
+   [uxbox.db :as db]
    [uxbox.util.storage :as st]
    [uxbox.util.time :as tm]
+   [uxbox.util.blob :as blob]
    [mount.core :as mount]))
 
 ;; --- Benchmarking Tools
@@ -86,80 +89,16 @@
                               '(promesa.core/let)]}}}})
        (kondo/print!))))
 
-(comment
-  {:version 1
-   :options {}
-   :shapes [:id1  :id2]
-   :canvas [:id3]
-   :shapes-by-id {:id1 {:canvas :id3} :id2 {} :id3 {}}})
 
+;; (defn red
+;;   [items]
+;;   (as-> items $$
+;;     (reduce (fn [acc item]
+;;               (cp/process-changes acc (:changes item)))
+;;             cp/default-page-data
+;;             $$)))
 
-(comment
-  {:version 2
-   :options {}
-
-   :objects
-   {:root
-    {:type :frame
-     :shapes [:sid0 :frame-0]}
-
-    :frame0
-    {:type :frame
-     :parent :root
-     :shapes [:sid1 :sid2]}
-
-    :sid0
-    {:type :rect
-     :parent :root}
-
-    :sid1
-    {:type :rect
-     :parent :frame0}
-
-    :sid2
-    {:type :group
-     :shapes [:sid3 :sid4]
-     :parent :frame0}
-
-    :sid3
-    {:type :elipse
-     :parent :sid2}
-
-    :sid4
-    {:type :elipse
-     :parent :sid2}}})
-
-(comment
-  {:version 3
-   :options {}
-
-   :rmap
-   {:id1 :root-frame
-    :id2 :root-frame
-    :id3 :frame-id-1
-    :id4 :frame-id-2
-    :id5 :frame-id-2
-    :id6 :frame-id-2}
-
-   :frames
-   {:root-frame
-    {:type :frame
-     :shapes [:id1 :id2]
-     :objects
-     {:id1 {:type :rect}
-      :id2 {:type :elipse}}}
-
-    :frame-id-1
-    {:type :frame
-     :shapes [:id3]
-     :objects
-     {:id3 {:type :path}}}
-
-    :frame-id-2
-    {:type :frame
-     :shapes [:id4]
-     :objects
-     {:id4 {:type :group
-            :shapes [:id5 :id6]}
-      :id5 {:type :path :parent :id4}
-      :id6 {:type :elipse :parent :id4}}}}})
+;; (defn update-page-data
+;;   [id data]
+;;   (let [data (blob/encode data)]
+;;     (db/query-one db/pool ["update page set data=$1 where id=$2" data id])))
diff --git a/frontend/src/uxbox/main/ui/shapes/frame.cljs b/frontend/src/uxbox/main/ui/shapes/frame.cljs
index fd0587d90..6cd704e5e 100644
--- a/frontend/src/uxbox/main/ui/shapes/frame.cljs
+++ b/frontend/src/uxbox/main/ui/shapes/frame.cljs
@@ -134,5 +134,5 @@
        (for [[i item] (d/enumerate childs)]
          [:& shape-wrapper {:frame shape
                             :shape item
-                            :key (str i (:id item))}])])))
+                            :key (:id item)}])])))