diff --git a/bundles/org.openhab.ui/web/.eslintrc.js b/bundles/org.openhab.ui/web/.eslintrc.js
index d8ee6f16e5..15c37ea3a8 100644
--- a/bundles/org.openhab.ui/web/.eslintrc.js
+++ b/bundles/org.openhab.ui/web/.eslintrc.js
@@ -24,7 +24,8 @@ module.exports = {
     '@babel',
     'import',
     'cypress',
-    'vue'
+    'vue',
+    'es'
   ],
 
   globals: {
@@ -57,6 +58,7 @@ module.exports = {
     'no-case-declarations': 'off',
     'no-console': 'off',
     'no-debugger': 'off',
+    'es/no-regexp-lookbehind-assertions': 'error', // Supported in Safari  >= 16.4, which breaks iOS 15.x.
     'no-trailing-spaces': 'error',
     'no-unsafe-optional-chaining': 'error',
     'no-whitespace-before-property': 'error',
diff --git a/bundles/org.openhab.ui/web/package-lock.json b/bundles/org.openhab.ui/web/package-lock.json
index af55a44f51..48e69d2e89 100644
--- a/bundles/org.openhab.ui/web/package-lock.json
+++ b/bundles/org.openhab.ui/web/package-lock.json
@@ -92,6 +92,7 @@
         "diacritic": "0.0.2",
         "eslint": "^7.19.0",
         "eslint-plugin-cypress": "^2.11.2",
+        "eslint-plugin-es": "^4.1.0",
         "eslint-plugin-import": "^2.22.1",
         "eslint-plugin-node": "^11.1.0",
         "eslint-plugin-vue": "^7.5.0",
@@ -8192,16 +8193,49 @@
       }
     },
     "node_modules/eslint-plugin-es": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.0.tgz",
-      "integrity": "sha512-XfFmgFdIUDgvaRAlaXUkxrRg5JSADoRC8IkKLc/cISeR3yHVMefFHQZpcyXXEUUPHfy5DwviBcrfqlyqEwlQVw==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-4.1.0.tgz",
+      "integrity": "sha512-GILhQTnjYE2WorX5Jyi5i4dz5ALWxBIdQECVQavL6s7cI76IZTDWleTHkxz/QT3kvcs2QlGHvKLYsSlPOlPXnQ==",
       "dev": true,
       "dependencies": {
-        "eslint-utils": "^1.3.0",
-        "regexpp": "^2.0.1"
+        "eslint-utils": "^2.0.0",
+        "regexpp": "^3.0.0"
       },
       "engines": {
-        "node": ">=6.5.0"
+        "node": ">=8.10.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/mysticatea"
+      },
+      "peerDependencies": {
+        "eslint": ">=4.19.1"
+      }
+    },
+    "node_modules/eslint-plugin-es/node_modules/eslint-utils": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz",
+      "integrity": "sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==",
+      "dev": true,
+      "dependencies": {
+        "eslint-visitor-keys": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/mysticatea"
+      }
+    },
+    "node_modules/eslint-plugin-es/node_modules/regexpp": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-3.2.0.tgz",
+      "integrity": "sha512-pq2bWo9mVD43nbts2wGv17XLiNLya+GklZ8kaDLV2Z08gDCsGpnKn9BFMepvWuHCbyVvY7J5o5+BVvoQbmlJLg==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/mysticatea"
       }
     },
     "node_modules/eslint-plugin-import": {
@@ -8661,10 +8695,13 @@
       }
     },
     "node_modules/eslint-utils": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
-      "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
       "dev": true,
+      "dependencies": {
+        "eslint-visitor-keys": "^1.1.0"
+      },
       "engines": {
         "node": ">=6"
       }
@@ -18499,6 +18536,22 @@
         "node": "^6.14.0 || ^8.10.0 || >=9.10.0"
       }
     },
+    "node_modules/standard/node_modules/eslint-plugin-es": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.1.tgz",
+      "integrity": "sha512-5fa/gR2yR3NxQf+UXkeLeP8FBBl6tSgdrAz1+cF84v1FMM4twGwQoqTnn+QxFLcPOrF4pdKEJKDB/q9GoyJrCA==",
+      "dev": true,
+      "dependencies": {
+        "eslint-utils": "^1.4.2",
+        "regexpp": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=6.5.0"
+      },
+      "peerDependencies": {
+        "eslint": ">=4.19.1"
+      }
+    },
     "node_modules/standard/node_modules/eslint-plugin-import": {
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.14.0.tgz",
@@ -29690,13 +29743,30 @@
       }
     },
     "eslint-plugin-es": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.0.tgz",
-      "integrity": "sha512-XfFmgFdIUDgvaRAlaXUkxrRg5JSADoRC8IkKLc/cISeR3yHVMefFHQZpcyXXEUUPHfy5DwviBcrfqlyqEwlQVw==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-4.1.0.tgz",
+      "integrity": "sha512-GILhQTnjYE2WorX5Jyi5i4dz5ALWxBIdQECVQavL6s7cI76IZTDWleTHkxz/QT3kvcs2QlGHvKLYsSlPOlPXnQ==",
       "dev": true,
       "requires": {
-        "eslint-utils": "^1.3.0",
-        "regexpp": "^2.0.1"
+        "eslint-utils": "^2.0.0",
+        "regexpp": "^3.0.0"
+      },
+      "dependencies": {
+        "eslint-utils": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz",
+          "integrity": "sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==",
+          "dev": true,
+          "requires": {
+            "eslint-visitor-keys": "^1.1.0"
+          }
+        },
+        "regexpp": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-3.2.0.tgz",
+          "integrity": "sha512-pq2bWo9mVD43nbts2wGv17XLiNLya+GklZ8kaDLV2Z08gDCsGpnKn9BFMepvWuHCbyVvY7J5o5+BVvoQbmlJLg==",
+          "dev": true
+        }
       }
     },
     "eslint-plugin-import": {
@@ -30068,10 +30138,13 @@
       }
     },
     "eslint-utils": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
-      "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==",
-      "dev": true
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
     },
     "eslint-visitor-keys": {
       "version": "1.3.0",
@@ -37819,6 +37892,16 @@
             "text-table": "^0.2.0"
           }
         },
+        "eslint-plugin-es": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.1.tgz",
+          "integrity": "sha512-5fa/gR2yR3NxQf+UXkeLeP8FBBl6tSgdrAz1+cF84v1FMM4twGwQoqTnn+QxFLcPOrF4pdKEJKDB/q9GoyJrCA==",
+          "dev": true,
+          "requires": {
+            "eslint-utils": "^1.4.2",
+            "regexpp": "^2.0.1"
+          }
+        },
         "eslint-plugin-import": {
           "version": "2.14.0",
           "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.14.0.tgz",
diff --git a/bundles/org.openhab.ui/web/package.json b/bundles/org.openhab.ui/web/package.json
index f85bc8ac47..b7da13b7f7 100644
--- a/bundles/org.openhab.ui/web/package.json
+++ b/bundles/org.openhab.ui/web/package.json
@@ -145,6 +145,7 @@
     "diacritic": "0.0.2",
     "eslint": "^7.19.0",
     "eslint-plugin-cypress": "^2.11.2",
+    "eslint-plugin-es": "^4.1.0",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-vue": "^7.5.0",
diff --git a/bundles/org.openhab.ui/web/src/components/sse-events-mixin.js b/bundles/org.openhab.ui/web/src/components/sse-events-mixin.js
index bbb6de7225..3c5fe7046e 100644
--- a/bundles/org.openhab.ui/web/src/components/sse-events-mixin.js
+++ b/bundles/org.openhab.ui/web/src/components/sse-events-mixin.js
@@ -1,6 +1,6 @@
-import OhPopup from './widgets/modals/oh-popup.vue'
-import OhSheet from './widgets/modals/oh-sheet.vue'
-import OhPopover from './widgets/modals/oh-popover.vue'
+import OhPopup from '@/components/widgets/modals/oh-popup.vue'
+import OhSheet from '@/components/widgets/modals/oh-sheet.vue'
+import OhPopover from '@/components/widgets/modals/oh-popover.vue'
 
 export default {
   data () {
@@ -35,7 +35,7 @@ export default {
             break
           case topicCommand:
             const payload = JSON.parse(event.payload)
-            const [command, ...segments] = payload.value.trim().split(/(?<!\\):/)
+            const [command, ...segments] = payload.value.trim().split(':') // NOT use a RegEx lookbehind assertions here, because they are unsupported on Safari < 16.4, i.e. iOS 15.x
             const combined = segments.join(':')
             switch (command) {
               case 'navigate':