diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index 4e2ceccb..b0a3bf54 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -1755,6 +1755,12 @@ var FileSystemWriterActions = actions.Actions({
 	// 			exportIndex: with max_size=400
 	// 				-> main preview is not replaced
 	// 				-> preivew size 350px not copied but kept in index...
+	// 		temporary workaround:
+	//			ig.getPreviews('*')
+	//				.then(function(){
+	//					ig.markChanged('images')
+	//					console.log('done.') })
+	// 			
 	exportIndex: ['- File/Export/Export index',
 		function(path, max_size, include_orig, clean_target_dir, logger){
 			var that = this
diff --git a/ui (gen4)/lib/preview.js b/ui (gen4)/lib/preview.js
index e29421f7..f3c013b5 100755
--- a/ui (gen4)/lib/preview.js	
+++ b/ui (gen4)/lib/preview.js	
@@ -103,19 +103,21 @@ function(images, sizes, base_path, target_tpl, callback){
 					
 						// make the actual previews...
 						return img.clone()
-							.resize(res, res)
-							.max()
+							.resize({
+								width: res,
+								height: res,
+								fit: 'inside',
+							})
 							.withMetadata()
 							.toFile(full)
 								.then(function(){
-									callback && callback(null, {
-										status: 'done', 
-										gid: gid, 
-										res: res, 
-										path: rel,
-										orientation: metadata.orientation,
-									})
-								})
+									callback 
+										&& callback(null, {
+											status: 'done', 
+											gid: gid, 
+											res: res, 
+											path: rel,
+											orientation: metadata.orientation, }) })
 					})
 			}))
 		})
diff --git a/ui (gen4)/package-lock.json b/ui (gen4)/package-lock.json
index 8710a122..0ed17830 100755
--- a/ui (gen4)/package-lock.json	
+++ b/ui (gen4)/package-lock.json	
@@ -1,13 +1,13 @@
 {
   "name": "ImageGrid.Viewer.g4",
-  "version": "4.0.0a",
+  "version": "4.0.0-a",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@types/node": {
-      "version": "10.14.21",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.21.tgz",
-      "integrity": "sha512-nuFlRdBiqbF+PJIEVxm2jLFcQWN7q7iWEJGsBV4n7v1dbI9qXB8im2pMMKMCUZe092sQb5SQft2DHfuQGK5hqQ=="
+      "version": "10.17.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.3.tgz",
+      "integrity": "sha512-QZ9CjUB3QoA3f2afw3utKlfRPhpmufB7jC2+oDhLWnXqoyx333fhKSQDLQu2EK7OE0a15X67eYiRAaJsHXrpMA=="
     },
     "ajv": {
       "version": "6.10.2",
@@ -106,12 +106,23 @@
       }
     },
     "bl": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
-      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-3.0.0.tgz",
+      "integrity": "sha512-EUAyP5UHU5hxF8BPT0LKW8gjYLhq1DQIcneOX/pL/m2Alo+OYDQAJlHq+yseMP50Os2nHXOSic6Ss3vSQeyf4A==",
       "requires": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
+        "readable-stream": "^3.0.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.4.0.tgz",
+          "integrity": "sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
       }
     },
     "brace-expansion": {
@@ -123,25 +134,6 @@
         "concat-map": "0.0.1"
       }
     },
-    "buffer-alloc": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
-      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
-      "requires": {
-        "buffer-alloc-unsafe": "^1.1.0",
-        "buffer-fill": "^1.0.0"
-      }
-    },
-    "buffer-alloc-unsafe": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
-      "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
-    },
-    "buffer-fill": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
-      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
-    },
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -167,9 +159,9 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chownr": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-      "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.3.tgz",
+      "integrity": "sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw=="
     },
     "clone": {
       "version": "2.1.2",
@@ -222,9 +214,9 @@
       }
     },
     "commander": {
-      "version": "2.20.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.1.tgz",
-      "integrity": "sha512-cCuLsMhJeWQ/ZpsFTbE765kvVfoeSddc4nU3up4fV+fDBcfUXnbITJ+JzhkdjzOqhURjZgujxaioam4RM9yGUg=="
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
     },
     "concat-map": {
       "version": "0.0.1",
@@ -293,11 +285,11 @@
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "decompress-response": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
-      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-4.2.1.tgz",
+      "integrity": "sha512-jOSne2qbyE+/r8G1VU+G/82LBs2Fs4LAsTiLSHOCOMZQl2OKZ6i8i4IyHemTe+/yIXOtTcRQMzPcgyhoFlqPkw==",
       "requires": {
-        "mimic-response": "^1.0.0"
+        "mimic-response": "^2.0.0"
       }
     },
     "deep-extend": {
@@ -330,9 +322,9 @@
       }
     },
     "electron": {
-      "version": "5.0.11",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-5.0.11.tgz",
-      "integrity": "sha512-2QVVycTmvMmKC3S9XV7zSvouYBooHRTOBx1r64nBwtMh44gPydR3HzUbyVYjjxsw+4vIuH6AqNuY48KtWRpajg==",
+      "version": "5.0.12",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-5.0.12.tgz",
+      "integrity": "sha512-Ydby8wfShB39MkZCF2PcAuNACj4PYbGxc0hGpThqZOiDgnSVroqvUAOSX9GCJogrjcP30ZZIe6TgPtQEABYg3w==",
       "requires": {
         "@types/node": "^10.12.18",
         "electron-download": "^4.1.0",
@@ -376,9 +368,9 @@
       }
     },
     "end-of-stream": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
-      "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
       "requires": {
         "once": "^1.4.0"
       }
@@ -1035,11 +1027,11 @@
       }
     },
     "fs-minipass": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.6.tgz",
-      "integrity": "sha512-crhvyXcMejjv3Z5d2Fa9sf5xLYVCF5O1c71QxbVnbLsmYMBEvDAftewesN/HhY03YRoA7zOMxjNGrF5svGaaeQ==",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
       "requires": {
-        "minipass": "^2.2.1"
+        "minipass": "^2.6.0"
       }
     },
     "fs-walk": {
@@ -1094,9 +1086,9 @@
       "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
     },
     "glob": {
-      "version": "7.1.4",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
-      "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+      "version": "7.1.5",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.5.tgz",
+      "integrity": "sha512-J9dlskqUXK1OeTOYBEn5s8aMukWMwWfs+rPTn/jn50Ux4MNXVhubL1wu/j2t+H4NVI+cXEcCaYellqaPVGXNqQ==",
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -1405,9 +1397,9 @@
       }
     },
     "mimic-response": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
-      "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-2.0.0.tgz",
+      "integrity": "sha512-8ilDoEapqA4uQ3TwS0jakGONKXVJqpy+RpM+3b7pLdOjghCrEiGp9SRkFbUHAmZW9vdnrENWHjaweIoTIJExSQ=="
     },
     "minimatch": {
       "version": "3.0.4",
@@ -1423,27 +1415,27 @@
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
     "minipass": {
-      "version": "2.3.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-      "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
       "requires": {
         "safe-buffer": "^5.1.2",
         "yallist": "^3.0.0"
       },
       "dependencies": {
         "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
         }
       }
     },
     "minizlib": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.1.tgz",
-      "integrity": "sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==",
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
       "requires": {
-        "minipass": "^2.2.1"
+        "minipass": "^2.9.0"
       }
     },
     "mkdirp": {
@@ -1482,9 +1474,9 @@
       "integrity": "sha512-boQj1WFgQH3v4clhu3mTNfP+vOBxorDlE8EKiMjUlLG3C4qAESnn9AxIOkFgTR2c9LtzNjPrjS60cT27ZKBhaA=="
     },
     "node-abi": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-2.9.0.tgz",
-      "integrity": "sha512-jmEOvv0eanWjhX8dX1pmjb7oJl1U1oR4FOh0b2GnvALwSYoOdU7sj+kLDSAyjo4pfC9aj/IxkloxdLJQhSSQBA==",
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-2.12.0.tgz",
+      "integrity": "sha512-VhPBXCIcvmo/5K8HPmnWJyyhvgKxnHTUMXR/XwGHV68+wrgkzST4UmQrY/XszSWA5dtnXpNp528zkcyJ/pzVcw==",
       "requires": {
         "semver": "^5.4.1"
       }
@@ -1587,11 +1579,6 @@
       "resolved": "https://registry.npmjs.org/openseadragon/-/openseadragon-2.4.1.tgz",
       "integrity": "sha512-7fWUnCkGvWcnoRxqeXcg4bSLPApWbI0hHumEZF8K2pziMfPNjvvHL5XB4oQeT2XfrGKfaasVrPe2XqhAr5kogA=="
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
-    },
     "parse-json": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
@@ -1671,9 +1658,9 @@
       "optional": true
     },
     "prebuild-install": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-5.3.0.tgz",
-      "integrity": "sha512-aaLVANlj4HgZweKttFNUVNRxDukytuIuxeK2boIMHjagNJCiVKWFsKF4tCE3ql3GbrD2tExPQ7/pwtEJcHNZeg==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-5.3.2.tgz",
+      "integrity": "sha512-INDfXzTPnhT+WYQemqnAXlP7SvfiFMopMozSgXCZ+RDLb279gKfIuLk4o7PgEawLp3WrMgIYGBpkxpraROHsSA==",
       "requires": {
         "detect-libc": "^1.0.3",
         "expand-template": "^2.0.3",
@@ -1684,25 +1671,12 @@
         "node-abi": "^2.7.0",
         "noop-logger": "^0.1.1",
         "npmlog": "^4.0.1",
-        "os-homedir": "^1.0.1",
-        "pump": "^2.0.1",
+        "pump": "^3.0.0",
         "rc": "^1.2.7",
-        "simple-get": "^2.7.0",
-        "tar-fs": "^1.13.0",
+        "simple-get": "^3.0.3",
+        "tar-fs": "^2.0.0",
         "tunnel-agent": "^0.6.0",
         "which-pm-runs": "^1.0.0"
-      },
-      "dependencies": {
-        "simple-get": {
-          "version": "2.8.1",
-          "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
-          "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
-          "requires": {
-            "decompress-response": "^3.3.0",
-            "once": "^1.3.1",
-            "simple-concat": "^1.0.0"
-          }
-        }
       }
     },
     "pretty-bytes": {
@@ -1760,9 +1734,9 @@
       "integrity": "sha512-HZzqCGPecFLyoRj5HLfuDSKYTJkAfB5thKBIkRHtGjWwY7p1dAyveIbXIq4tO0KYfDF2tHqPUgY9SDnGm00uFw=="
     },
     "pump": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
-      "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
       "requires": {
         "end-of-stream": "^1.1.0",
         "once": "^1.3.1"
@@ -1959,9 +1933,9 @@
       },
       "dependencies": {
         "semver": {
-          "version": "6.1.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-6.1.1.tgz",
-          "integrity": "sha512-rWYq2e5iYW+fFe/oPPtYJxYgjBm8sC4rmoGdUOgBB7VnwKt6HrL793l2voH1UlsyYZpJ4g0wfjnTEO1s1NP2eQ=="
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
         }
       }
     },
@@ -1976,11 +1950,11 @@
       "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY="
     },
     "simple-get": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-3.0.3.tgz",
-      "integrity": "sha512-Wvre/Jq5vgoz31Z9stYWPLn0PqRqmBDpFSdypAnHu5AvRVCYPRYGnvryNLiXu8GOBNDH82J2FRHUGMjjHUpXFw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-3.1.0.tgz",
+      "integrity": "sha512-bCR6cP+aTdScaQCnQKbPKtJOKDp/hj9EDLJo3Nw4y1QksqaovlW/bnptB6/c1e+qmNIDHRK+oXFDdEqBT8WzUA==",
       "requires": {
-        "decompress-response": "^3.3.0",
+        "decompress-response": "^4.2.0",
         "once": "^1.3.1",
         "simple-concat": "^1.0.0"
       }
@@ -2128,13 +2102,13 @@
       }
     },
     "tar": {
-      "version": "4.4.10",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.10.tgz",
-      "integrity": "sha512-g2SVs5QIxvo6OLp0GudTqEf05maawKUxXru104iaayWA09551tFCTI8f1Asb4lPfkBr91k07iL4c11XO3/b0tA==",
+      "version": "4.4.13",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
+      "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
       "requires": {
         "chownr": "^1.1.1",
         "fs-minipass": "^1.2.5",
-        "minipass": "^2.3.5",
+        "minipass": "^2.8.6",
         "minizlib": "^1.2.1",
         "mkdirp": "^0.5.0",
         "safe-buffer": "^5.1.2",
@@ -2142,52 +2116,44 @@
       },
       "dependencies": {
         "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
         }
       }
     },
     "tar-fs": {
-      "version": "1.16.3",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-1.16.3.tgz",
-      "integrity": "sha512-NvCeXpYx7OsmOh8zIOP/ebG55zZmxLE0etfWRbWok+q2Qo8x/vOR/IJT1taADXPe+jsiu9axDb3X4B+iIgNlKw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.0.0.tgz",
+      "integrity": "sha512-vaY0obB6Om/fso8a8vakQBzwholQ7v5+uy+tF3Ozvxv1KNezmVQAiWtcNmMHFSFPqL3dJA8ha6gdtFbfX9mcxA==",
       "requires": {
-        "chownr": "^1.0.1",
+        "chownr": "^1.1.1",
         "mkdirp": "^0.5.1",
-        "pump": "^1.0.0",
-        "tar-stream": "^1.1.2"
-      },
-      "dependencies": {
-        "pump": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/pump/-/pump-1.0.3.tgz",
-          "integrity": "sha512-8k0JupWme55+9tCVE+FS5ULT3K6AbgqrGa58lTT49RpyfwwcGedHqaC5LlQNdEAumn/wFsu6aPwkuPMioy8kqw==",
-          "requires": {
-            "end-of-stream": "^1.1.0",
-            "once": "^1.3.1"
-          }
-        }
+        "pump": "^3.0.0",
+        "tar-stream": "^2.0.0"
       }
     },
     "tar-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
-      "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.1.0.tgz",
+      "integrity": "sha512-+DAn4Nb4+gz6WZigRzKEZl1QuJVOLtAwwF+WUxy1fJ6X63CaGaUAxJRD2KEn1OMfcbCjySTYpNC6WmfQoIEOdw==",
       "requires": {
-        "bl": "^1.0.0",
-        "buffer-alloc": "^1.2.0",
-        "end-of-stream": "^1.0.0",
+        "bl": "^3.0.0",
+        "end-of-stream": "^1.4.1",
         "fs-constants": "^1.0.0",
-        "readable-stream": "^2.3.0",
-        "to-buffer": "^1.1.1",
-        "xtend": "^4.0.0"
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
       },
       "dependencies": {
-        "xtend": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-          "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+        "readable-stream": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.4.0.tgz",
+          "integrity": "sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
         }
       }
     },
@@ -2228,11 +2194,6 @@
         }
       }
     },
-    "to-buffer": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
-      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
-    },
     "tough-cookie": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
@@ -2478,9 +2439,9 @@
       }
     },
     "yallist": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
-      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
     },
     "yauzl": {
       "version": "2.4.1",
diff --git a/ui (gen4)/package.json b/ui (gen4)/package.json
index 82e408a4..0e74682b 100755
--- a/ui (gen4)/package.json	
+++ b/ui (gen4)/package.json	
@@ -20,13 +20,13 @@
   "dependencies": {
     "app-module-path": "^1.0.6",
     "async-json": "0.0.2",
-    "commander": "^2.20.1",
-    "electron": "^5.0.11",
+    "commander": "^2.20.3",
+    "electron": "^5.0.12",
     "exiftool": "^0.0.3",
     "fs-extra": "^7.0.1",
     "fs-walk": "^0.0.1",
     "generic-walk": "^1.4.0",
-    "glob": "^7.1.4",
+    "glob": "^7.1.5",
     "guarantee-events": "^1.0.0",
     "ig-actions": "^3.24.2",
     "ig-features": "^3.4.0",