diff --git a/CHANGELOG b/CHANGELOG
index 0a93e2bfc7b2cb2b7a63ff0e2d3c08f8b4aa9bb3..717f5aa50935d3fdf4dc6268e635644bf5675171 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+minerva (12.0.0~beta.3) unstable; urgency=medium
+  * Bug fix: openlayers issue with devices with high Device Pixel Ratio
+
+ -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 7 Jun 2018 16:00:00 +0200
+
 minerva (12.0.0~beta.3) unstable; urgency=medium
   * Feature: There is alternativa OpenLayers map engine available
   * Feature: database connection configuration (login, password, host, etc)
@@ -8,7 +13,7 @@ minerva (12.0.0~beta.3) unstable; urgency=medium
     (that had to be closed separately)
   * Bug fix: Legend doesn't disappear if image is wrong
   * Bug fix: Resolution of exported .png in submaps
-  * Bug fix: Molstar tool in submaps
+  * Bug fix: MolArt tool in submaps
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 24 May 2018 13:00:00 +0200
 
@@ -26,7 +31,7 @@ minerva (12.0.0~beta.0) unstable; urgency=medium
   * Feature: searching for elements in submap gives marker on top map
     indicating the submap connection
   * Feature: similar search results are merged
-  * Feature: visualization of protein structures by MolStart
+  * Feature: visualization of protein structures by MolArt
   * Small improvement: JS plugin API allows to store data on server side
   * Small improvement: submap reference in publication list
   * Small improvement: size of connection to database reduced to 90 (so default
diff --git a/frontend-js/package-lock.json b/frontend-js/package-lock.json
index 81ae36632aa5c756eaaa5ca5861b7ac6273b579f..04da0d18baf99baf8600ce5a7c047f3f3d088759 100644
--- a/frontend-js/package-lock.json
+++ b/frontend-js/package-lock.json
@@ -4,21 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@types/react": {
-      "version": "15.6.15",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-15.6.15.tgz",
-      "integrity": "sha512-LOHbyeKRNYLEotniN3DlRGrpXorXupvFSbKrNzc9dZ87uL+IJDbGYVerxKaG1jbnhuc7RhEWxlNmUVtYm3mtNg==",
-      "dev": true
-    },
-    "@types/react-dom": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-15.5.7.tgz",
-      "integrity": "sha512-XGLjgNtPnBuO1cITYWZAk4KbH0UEDqMg2kuG3xx0UgnrcSd6ijO57Fp9rimmrDKcBnx3b2vFQuEYRXu2GihRYQ==",
-      "dev": true,
-      "requires": {
-        "@types/react": "15.6.15"
-      }
-    },
     "JSONStream": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.1.tgz",
@@ -29,25 +14,6 @@
         "through": "2.3.8"
       }
     },
-    "ProtVista": {
-      "version": "git://github.com/davidhoksza/protvista.git#4e4bb737ba1e183291505bd25f8bae2e651ce21e",
-      "dev": true,
-      "requires": {
-        "d3": "3.5.17",
-        "file-saver": "1.3.3",
-        "jquery": "2.2.4",
-        "jszip": "3.1.4",
-        "underscore": "1.8.3"
-      },
-      "dependencies": {
-        "jquery": {
-          "version": "2.2.4",
-          "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
-          "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI=",
-          "dev": true
-        }
-      }
-    },
     "abab": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -1450,12 +1416,6 @@
         "domelementtype": "1.3.0"
       }
     },
-    "downloadjs": {
-      "version": "1.4.7",
-      "resolved": "https://registry.npmjs.org/downloadjs/-/downloadjs-1.4.7.tgz",
-      "integrity": "sha1-9p+W+UDg0FU9rCkROYZaPNAQHjw=",
-      "dev": true
-    },
     "dual-listbox": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/dual-listbox/-/dual-listbox-1.0.7.tgz",
@@ -3040,14 +3000,6 @@
         "immediate": "3.0.6"
       }
     },
-    "litemol": {
-      "version": "github:dsehnal/LiteMol#67556b0de0d2428f9494136758cbf8a662f66412",
-      "dev": true,
-      "requires": {
-        "@types/react": "15.6.15",
-        "@types/react-dom": "15.5.7"
-      }
-    },
     "lodash": {
       "version": "4.17.4",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
@@ -3413,6 +3365,12 @@
         }
       }
     },
+    "molart": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/molart/-/molart-1.0.3.tgz",
+      "integrity": "sha1-wUn/4GRPS4kXwF/y2W6bbSZKQbE=",
+      "dev": true
+    },
     "mold-source-map": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/mold-source-map/-/mold-source-map-0.4.0.tgz",
@@ -3431,26 +3389,6 @@
         }
       }
     },
-    "molstar": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/molstar/-/molstar-1.0.0.tgz",
-      "integrity": "sha1-2e0KopdXq1iOLnbtYUOHiZVi8rA=",
-      "dev": true,
-      "requires": {
-        "ProtVista": "git://github.com/davidhoksza/protvista.git#4e4bb737ba1e183291505bd25f8bae2e651ce21e",
-        "downloadjs": "1.4.7",
-        "jquery": "3.3.1",
-        "litemol": "github:dsehnal/LiteMol#67556b0de0d2428f9494136758cbf8a662f66412"
-      },
-      "dependencies": {
-        "jquery": {
-          "version": "3.3.1",
-          "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.3.1.tgz",
-          "integrity": "sha512-Ubldcmxp5np52/ENotGxlLe6aGMvmF4R8S6tZjsP6Knsaxd/xp3Zrh50cG93lR6nPXyUFwzN3ZSOQI0wRJNdGg==",
-          "dev": true
-        }
-      }
-    },
     "mout": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/mout/-/mout-1.0.0.tgz",