diff --git a/openflexure_microscope/api/static/package-lock.json b/openflexure_microscope/api/static/package-lock.json
index ba12698a..fdc41a5e 100644
--- a/openflexure_microscope/api/static/package-lock.json
+++ b/openflexure_microscope/api/static/package-lock.json
@@ -2276,6 +2276,11 @@
         "@types/node": "*"
       }
     },
+    "@types/component-emitter": {
+      "version": "1.2.10",
+      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
+      "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
+    },
     "@types/connect": {
       "version": "3.4.33",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.33.tgz",
@@ -2917,6 +2922,16 @@
           "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
           "dev": true
         },
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "color-convert": "^2.0.1"
+          }
+        },
         "browserslist": {
           "version": "4.15.0",
           "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.15.0.tgz",
@@ -2962,12 +2977,36 @@
           "integrity": "sha512-8cEsSMwXfx7lWSUMA2s08z9dIgsnR5NAqjXP23stdsU3AUWkCr/rr4s4OFtHXn5XXr6+7kam3QFVoYyXNPdJPA==",
           "dev": true
         },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+          "dev": true,
+          "optional": true
+        },
         "electron-to-chromium": {
           "version": "1.3.615",
           "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.615.tgz",
           "integrity": "sha512-fNYTQXoUhNc6RmHDlGN4dgcLURSBIqQCN7ls6MuQ741+NJyLNRz8DxAC+pZpOKfRs6cfY0lv2kWdy8Oxf9j4+A==",
           "dev": true
         },
+        "emojis-list": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
+          "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
+          "dev": true,
+          "optional": true
+        },
         "fast-deep-equal": {
           "version": "3.1.3",
           "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -3001,6 +3040,35 @@
           "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
           "dev": true
         },
+        "has-flag": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+          "dev": true,
+          "optional": true
+        },
+        "json5": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
+          "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "minimist": "^1.2.5"
+          }
+        },
+        "loader-utils": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.0.tgz",
+          "integrity": "sha512-rP4F0h2RaWSvPEkD7BLDFQnvSf+nK+wr3ESUjNTyAGobqrijmW92zc+SO6d4p4B1wh7+B/Jg1mkQe5NYUEHtHQ==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "big.js": "^5.2.2",
+            "emojis-list": "^3.0.0",
+            "json5": "^2.1.2"
+          }
+        },
         "locate-path": {
           "version": "5.0.0",
           "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
@@ -3134,6 +3202,16 @@
             "ansi-regex": "^5.0.0"
           }
         },
+        "supports-color": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        },
         "terser-webpack-plugin": {
           "version": "2.3.8",
           "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-2.3.8.tgz",
@@ -3160,6 +3238,31 @@
             "psl": "^1.1.28",
             "punycode": "^2.1.1"
           }
+        },
+        "vue-loader-v16": {
+          "version": "npm:vue-loader@16.2.0",
+          "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-16.2.0.tgz",
+          "integrity": "sha512-TitGhqSQ61RJljMmhIGvfWzJ2zk9m1Qug049Ugml6QP3t0e95o0XJjk29roNEiPKJQBEi8Ord5hFuSuELzSp8Q==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "chalk": "^4.1.0",
+            "hash-sum": "^2.0.0",
+            "loader-utils": "^2.0.0"
+          },
+          "dependencies": {
+            "chalk": {
+              "version": "4.1.1",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.1.tgz",
+              "integrity": "sha512-diHzdDKxcU+bAsUboHLPEDQiw0qEe0qd7SYUn3HgcFlWgbDcfLGswOHYeGrHKzG9z6UYf01d9VFMfZxPM1xZSg==",
+              "dev": true,
+              "optional": true,
+              "requires": {
+                "ansi-styles": "^4.1.0",
+                "supports-color": "^7.1.0"
+              }
+            }
+          }
         }
       }
     },
@@ -6057,9 +6160,9 @@
       }
     },
     "dompurify": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.2.6.tgz",
-      "integrity": "sha512-7b7ZArhhH0SP6W2R9cqK6RjaU82FZ2UPM7RO8qN1b1wyvC/NY1FNWcX1Pu00fFOAnzEORtwXe4bPaClg6pUybQ=="
+      "version": "2.2.8",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.2.8.tgz",
+      "integrity": "sha512-9H0UL59EkDLgY3dUFjLV6IEUaHm5qp3mxSqWw7Yyx4Zhk2Jn2cmLe+CNPP3xy13zl8Bqg+0NehQzkdMoVhGRww=="
     },
     "domutils": {
       "version": "1.7.0",
@@ -6195,53 +6298,47 @@
       }
     },
     "engine.io-client": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.0.tgz",
-      "integrity": "sha512-12wPRfMrugVw/DNyJk34GQ5vIVArEcVMXWugQGGuw2XxUSztFNmJggZmv8IZlLyEdnpO1QB9LkcjeWewO2vxtA==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-5.1.1.tgz",
+      "integrity": "sha512-jPFpw2HLL0lhZ2KY0BpZhIJdleQcUO9W1xkIpo0h3d6s+5D6+EV/xgQw9qWOmymszv2WXef/6KUUehyxEKomlQ==",
       "requires": {
+        "base64-arraybuffer": "0.1.4",
         "component-emitter": "~1.3.0",
-        "component-inherit": "0.0.3",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.2.0",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~4.0.1",
         "has-cors": "1.1.0",
-        "indexof": "0.0.1",
         "parseqs": "0.0.6",
         "parseuri": "0.0.6",
         "ws": "~7.4.2",
-        "xmlhttprequest-ssl": "~1.5.4",
         "yeast": "0.1.2"
       },
       "dependencies": {
         "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
           "requires": {
-            "ms": "2.0.0"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         },
         "ws": {
-          "version": "7.4.3",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.3.tgz",
-          "integrity": "sha512-hr6vCR76GsossIRsr8OLR9acVVm1jyfEWvhbNjtgPOrfvAlKzvyeg/P6r8RuDjRyrcQoPQT7K0DGEPc7Ae6jzA=="
+          "version": "7.4.5",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+          "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
         }
       }
     },
     "engine.io-parser": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
-      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.2.tgz",
+      "integrity": "sha512-sHfEQv6nmtJrq6TKuIz5kyEKH/qSdK56H/A+7DnAuUPWosnIZAS2NHNcPLmyjtY3cGS/MqJdZbUjW97JU72iYg==",
       "requires": {
-        "after": "0.8.2",
-        "arraybuffer.slice": "~0.0.7",
-        "base64-arraybuffer": "0.1.4",
-        "blob": "0.0.5",
-        "has-binary2": "~1.0.2"
+        "base64-arraybuffer": "0.1.4"
       }
     },
     "enhanced-resolve": {
@@ -7258,8 +7355,7 @@
     "follow-redirects": {
       "version": "1.13.0",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.13.0.tgz",
-      "integrity": "sha512-aq6gF1BEKje4a9i9+5jimNFIpq4Q1WiwBToeRK5NvZBd/TRsmW8BsJfOEGkr76TbOyPVD3OVDN910EcUNtRYEA==",
-      "dev": true
+      "integrity": "sha512-aq6gF1BEKje4a9i9+5jimNFIpq4Q1WiwBToeRK5NvZBd/TRsmW8BsJfOEGkr76TbOyPVD3OVDN910EcUNtRYEA=="
     },
     "for-in": {
       "version": "1.0.2",
@@ -8526,15 +8622,15 @@
       "optional": true
     },
     "imjoy-core": {
-      "version": "0.13.60",
-      "resolved": "https://registry.npmjs.org/imjoy-core/-/imjoy-core-0.13.60.tgz",
-      "integrity": "sha512-HduJujlsnpTRQnwC7nWWXmFZ3F+cf9seugur+WrMsn8vb+Xoybe7IwRG2M+jMzsuxtHkrAZKjWws1g29OgboGg==",
+      "version": "0.13.74",
+      "resolved": "https://registry.npmjs.org/imjoy-core/-/imjoy-core-0.13.74.tgz",
+      "integrity": "sha512-eXKRw4vpK8E8DnKrc1G8dLq8zGQsOddLubVpomIzs5CtOktAhQOqr5kOEucmM4V3uEDd24UGbMydv1MzP2KWBQ==",
       "requires": {
         "ajv": "^6.9.1",
-        "axios": "^0.18.1",
+        "axios": "^0.21.1",
         "dompurify": "^2.0.8",
         "file-saver": "^1.3.3",
-        "imjoy-rpc": "^0.2.31",
+        "imjoy-rpc": "^0.3.6",
         "js-yaml": "^3.13.1",
         "lodash": "^4.17.15",
         "lz-string": "^1.4.4",
@@ -8545,46 +8641,51 @@
       },
       "dependencies": {
         "axios": {
-          "version": "0.18.1",
-          "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz",
-          "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
+          "version": "0.21.1",
+          "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
+          "integrity": "sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==",
           "requires": {
-            "follow-redirects": "1.5.10",
-            "is-buffer": "^2.0.2"
+            "follow-redirects": "^1.10.0"
           }
-        },
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "follow-redirects": {
-          "version": "1.5.10",
-          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-          "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-          "requires": {
-            "debug": "=3.1.0"
-          }
-        },
-        "is-buffer": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
-          "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ=="
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         }
       }
     },
     "imjoy-rpc": {
-      "version": "0.2.31",
-      "resolved": "https://registry.npmjs.org/imjoy-rpc/-/imjoy-rpc-0.2.31.tgz",
-      "integrity": "sha512-LRnwMBS+iH1riBcBQkjwBUk+Lr+bhqV/qc1Qx0O7GhvM7CfhWqyG50A+JF3QsJDAdmTIpt/5ZLr2gDvh0eDiug=="
+      "version": "0.3.9",
+      "resolved": "https://registry.npmjs.org/imjoy-rpc/-/imjoy-rpc-0.3.9.tgz",
+      "integrity": "sha512-dWyEIFlHKEGkyTLhGvKMnY7Tus26cOgfPMj3plEfcwNIfiatD8kfwdmdu4yoWUTdOnOUY4KtY06c9UnNT04k/Q==",
+      "requires": {
+        "socket.io-client": "^4.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "socket.io-client": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.1.1.tgz",
+          "integrity": "sha512-avzRzFZIkmyNxqvhmm5ns0Itq5dgEkesDPB6Tl0Yben47U08MvdFnVXAuFDULQhDXjuYdCb6QUEILYLUKQEuGg==",
+          "requires": {
+            "@types/component-emitter": "^1.2.10",
+            "backo2": "~1.0.2",
+            "component-emitter": "~1.3.0",
+            "debug": "~4.3.1",
+            "engine.io-client": "~5.1.1",
+            "parseuri": "0.0.6",
+            "socket.io-parser": "~4.0.4"
+          }
+        }
+      }
     },
     "immediate": {
       "version": "3.3.0",
@@ -12630,29 +12731,34 @@
             "ms": "2.0.0"
           }
         },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        }
-      }
-    },
-    "socket.io-parser": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
-      "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
-      "requires": {
-        "component-emitter": "~1.3.0",
-        "debug": "~3.1.0",
-        "isarray": "2.0.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+        "engine.io-client": {
+          "version": "3.5.2",
+          "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.2.tgz",
+          "integrity": "sha512-QEqIp+gJ/kMHeUun7f5Vv3bteRHppHH/FMBQX/esFj/fuYfjyUKWGMo3VCvIP/V8bE9KcjHmRZrhIz2Z9oNsDA==",
           "requires": {
-            "ms": "2.0.0"
+            "component-emitter": "~1.3.0",
+            "component-inherit": "0.0.3",
+            "debug": "~3.1.0",
+            "engine.io-parser": "~2.2.0",
+            "has-cors": "1.1.0",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.6",
+            "parseuri": "0.0.6",
+            "ws": "~7.4.2",
+            "xmlhttprequest-ssl": "~1.6.2",
+            "yeast": "0.1.2"
+          }
+        },
+        "engine.io-parser": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+          "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
+          "requires": {
+            "after": "0.8.2",
+            "arraybuffer.slice": "~0.0.7",
+            "base64-arraybuffer": "0.1.4",
+            "blob": "0.0.5",
+            "has-binary2": "~1.0.2"
           }
         },
         "isarray": {
@@ -12664,6 +12770,46 @@
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
           "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "socket.io-parser": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+          "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+          "requires": {
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
+          }
+        },
+        "ws": {
+          "version": "7.4.5",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+          "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
+        }
+      }
+    },
+    "socket.io-parser": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.4.tgz",
+      "integrity": "sha512-t+b0SS+IxG7Rxzda2EVvyBZbvFPBCjJoyHuE0P//7OAsN23GItzDRdWa6ALxZI/8R5ygK7jAR6t028/z+7295g==",
+      "requires": {
+        "@types/component-emitter": "^1.2.10",
+        "component-emitter": "~1.3.0",
+        "debug": "~4.3.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
@@ -14004,104 +14150,6 @@
         }
       }
     },
-    "vue-loader-v16": {
-      "version": "npm:vue-loader@16.1.2",
-      "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-16.1.2.tgz",
-      "integrity": "sha512-8QTxh+Fd+HB6fiL52iEVLKqE9N1JSlMXLR92Ijm6g8PZrwIxckgpqjPDWRP5TWxdiPaHR+alUWsnu1ShQOwt+Q==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "chalk": "^4.1.0",
-        "hash-sum": "^2.0.0",
-        "loader-utils": "^2.0.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "4.3.0",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
-          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "color-convert": "^2.0.1"
-          }
-        },
-        "chalk": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
-          "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "ansi-styles": "^4.1.0",
-            "supports-color": "^7.1.0"
-          }
-        },
-        "color-convert": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
-          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "color-name": "~1.1.4"
-          }
-        },
-        "color-name": {
-          "version": "1.1.4",
-          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
-          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
-          "dev": true,
-          "optional": true
-        },
-        "emojis-list": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
-          "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
-          "dev": true,
-          "optional": true
-        },
-        "has-flag": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
-          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
-          "dev": true,
-          "optional": true
-        },
-        "json5": {
-          "version": "2.1.3",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.3.tgz",
-          "integrity": "sha512-KXPvOm8K9IJKFM0bmdn8QXh7udDh1g/giieX0NLCaMnb4hEiVFqnop2ImTXCc5e0/oHz3LTqmHGtExn5hfMkOA==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "minimist": "^1.2.5"
-          }
-        },
-        "loader-utils": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.0.tgz",
-          "integrity": "sha512-rP4F0h2RaWSvPEkD7BLDFQnvSf+nK+wr3ESUjNTyAGobqrijmW92zc+SO6d4p4B1wh7+B/Jg1mkQe5NYUEHtHQ==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "big.js": "^5.2.2",
-            "emojis-list": "^3.0.0",
-            "json5": "^2.1.2"
-          }
-        },
-        "supports-color": {
-          "version": "7.2.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
-          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "has-flag": "^4.0.0"
-          }
-        }
-      }
-    },
     "vue-observe-visibility": {
       "version": "0.4.6",
       "resolved": "https://registry.npmjs.org/vue-observe-visibility/-/vue-observe-visibility-0.4.6.tgz",
@@ -14840,9 +14888,9 @@
       }
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
-      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.2.tgz",
+      "integrity": "sha512-tYOaldF/0BLfKuoA39QMwD4j2m8lq4DIncqj1yuNELX4vz9+z/ieG/vwmctjJce+boFHXstqhWnHSxc4W8f4qg=="
     },
     "xtend": {
       "version": "4.0.2",
diff --git a/openflexure_microscope/api/static/package.json b/openflexure_microscope/api/static/package.json
index eea4b212..d1c31011 100644
--- a/openflexure_microscope/api/static/package.json
+++ b/openflexure_microscope/api/static/package.json
@@ -11,7 +11,7 @@
     "lint:fix": "vue-cli-service lint --fix"
   },
   "dependencies": {
-    "imjoy-core": "^0.13.73",
+    "imjoy-core": "^0.13.74",
     "material-design-icons": "^3.0.1",
     "mousetrap": "^1.6.5",
     "vue-observe-visibility": "^0.4.6"
diff --git a/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue b/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
index bba47a64..4dbbe395 100644
--- a/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
+++ b/openflexure_microscope/api/static/src/components/tabContentComponents/imjoyContent.vue
@@ -352,7 +352,7 @@ export default {
           });
         }
       };
-      this.imjoy.pm.registerService({ name: "openflexure" }, service);
+      this.imjoy.pm.registerService({ name: "#openflexure" }, service);
     },
     closeWindow(w) {
       if (w) {
@@ -473,6 +473,48 @@ export default {
         });
         this.$store.commit("imjoy/addOpenScanItem", {
           title: "ImageJ.JS",
+          async callback(name, allURLs) {
+            const viewer = await self.openImageJ();
+            // allURLs is a list of URLs for *capture objects*, so
+            // first we need to retrieve them, then extract image URLs
+            // and finally turn image URLs into "numpy arrays" (RGB data).
+            const imagesAsNdarrays = await Promise.all(
+              allURLs.map(async url => {
+                const r = await axios.get(url);
+                return await imageUrlToNdarray(r.data.links.download.href);
+              })
+            );
+            // Construct an array to hold all the images, based on the first image
+            // TODO: assert that _rdtype is uint8, _rshape is the same, _rtype is ndarray
+            const shape = imagesAsNdarrays[0]._rshape;
+            const totalSize = imagesAsNdarrays.reduce(
+              (total, image) => total + image._rvalue.byteLength,
+              0
+            );
+            const stackData = new Uint8Array(new ArrayBuffer(totalSize));
+            const transferredBytes = imagesAsNdarrays.reduce((total, image) => {
+              console.log(`inserting image at ${total} bytes`);
+              // TODO: is it bad to populate stackData as a "side effect"?
+              stackData.set(new Uint8Array(image._rvalue), total);
+              //assert image._rshape == shape;
+              return total + image._rvalue.byteLength;
+            }, 0);
+            const stackNdarray = {
+              _rtype: "ndarray",
+              _rdtype: "uint8",
+              _rshape: [imagesAsNdarrays.length, shape[0], shape[1], shape[2]],
+              _rdata: stackData.buffer
+            };
+            console.log(
+              `Stack is ${transferredBytes} and will have shape: ${stackNdarray._rshape}`
+            );
+            await viewer.viewImage(stackNdarray, {
+              name: "ScanImages"
+            });
+          }
+        });
+        this.$store.commit("imjoy/addOpenScanItem", {
+          title: "ImageJ.JS [JPEGs]",
           async callback(name, allURLs) {
             const viewer = await self.openImageJ();
             // allURLs is a list of URLs for *capture objects*, so
@@ -509,30 +551,10 @@ export default {
               `Stack is ${transferredBytes} and will have shape: ${stackNdarray._rshape}`
             );
             await viewer.viewImage(stackNdarray, {
-              name: "ScanImages"
+              name: "ScanImages" //TODO: fix the name
             });
           }
         });
-        this.$store.commit("imjoy/addOpenScanItem", {
-          title: "ImageJ.JS [JPEGs]",
-          async callback(name, allURLs) {
-            const viewer = await self.openImageJ();
-            // allURLs is a list of URLs for *capture objects*, so
-            // first we need to retrieve them, then extract image URLs
-            // and finally turn image URLs into "numpy arrays" (RGB data).
-            await Promise.all(
-              allURLs.map(async url => {
-                const r = await axios.get(url);
-                const ndarray = await imageUrlToNdarray(
-                  r.data.links.download.href
-                );
-                return viewer.viewImage(ndarray, {
-                  name: r.data.name.replace(".jpeg", "")
-                });
-              })
-            );
-          }
-        });
       } catch (e) {
         alert(`Failed to setup viewers, error: ${e}`);
       } finally {