diff --git a/src/headless/package-lock.json b/src/headless/package-lock.json
index 96ff06ae4c..46b319e93b 100644
--- a/src/headless/package-lock.json
+++ b/src/headless/package-lock.json
@@ -1,26 +1,27 @@
 {
   "name": "@converse/headless",
-  "version": "12.0.0",
+  "version": "14.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@converse/headless",
-      "version": "12.0.0",
+      "version": "14.0.0",
       "license": "MPL-2.0",
       "dependencies": {
         "@converse/log": "^0.0.1",
         "@converse/openpromise": "^0.0.4",
-        "@converse/skeletor": "^3.0.0",
+        "@converse/skeletor": "^3.1.4",
         "dayjs": "^1.11.8",
         "dompurify": "^3.0.8",
         "filesize": "^11.0.13",
+        "libomemo.js": "^2.0.1",
         "localforage-webextensionstorage-driver": "^3.0.0",
         "lodash-es": "^4.17.21",
         "pluggable.js": "3.0.1",
         "sizzle": "^2.3.5",
         "sprintf-js": "^1.1.2",
-        "strophe.js": "4.0.0-rc0"
+        "strophe.js": "4.0.0"
       },
       "devDependencies": {}
     },
@@ -29,7 +30,7 @@
       "version": "0.0.1",
       "license": "MPL-2.0",
       "devDependencies": {
-        "@types/node": "^22.0.0",
+        "@types/node": "^25.9.3",
         "typescript": "^5.5.4"
       },
       "engines": {
@@ -69,9 +70,9 @@
       "license": "MIT"
     },
     "node_modules/@converse/skeletor": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@converse/skeletor/-/skeletor-3.0.0.tgz",
-      "integrity": "sha512-5PvhWtG39huXb0Lv85z81wERFoyxdv+cDBnsGaRlR0AOXD4+6iaNExzxS2liuUapjxbncwBspSwPeMqYX7Cb0w==",
+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/@converse/skeletor/-/skeletor-3.1.4.tgz",
+      "integrity": "sha512-t4pfgiTpPtdKG60eDs5KevGP8utGTUR7NEJ1u3p7ed8ZIwKVyoSHYMkIbdgKGABT0TkNxZ9v84Bv0ZaPrX0LBg==",
       "dependencies": {
         "@converse/localforage-getitems": "1.4.3",
         "@types/lodash-es": "^4.17.12",
@@ -80,9 +81,18 @@
         "localforage-driver-memory": "^1.0.5",
         "localforage-setitems": "^1.4.0",
         "lodash-es": "^4.17.21",
-        "mergebounce": "0.1.3"
+        "mergebounce": "0.1.3",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=22.0.0"
       }
     },
+    "node_modules/@converse/skeletor/node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
+    },
     "node_modules/@csstools/color-helpers": {
       "version": "5.0.2",
       "resolved": "https://registry.npmjs.org/@csstools/color-helpers/-/color-helpers-5.0.2.tgz",
@@ -393,9 +403,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.0.tgz",
-      "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
+      "version": "3.4.11",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
+      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
       }
@@ -712,6 +722,14 @@
         }
       }
     },
+    "node_modules/libomemo.js": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/libomemo.js/-/libomemo.js-2.0.2.tgz",
+      "integrity": "sha512-Ou12YU18wq0eCvTCbKl+ivFrSp8IgOf2nmj4SpGN52vHViPn/CysAODm2eN6t20xe52vHyUI6AxlrcoJH6sePg==",
+      "dependencies": {
+        "protobufjs": "^8.0.0"
+      }
+    },
     "node_modules/lie": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/lie/-/lie-3.1.1.tgz",
@@ -781,6 +799,11 @@
       "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.18.1.tgz",
       "integrity": "sha512-J8xewKD/Gk22OZbhpOVSwcs60zhd95ESDwezOFuA3/099925PdHJ7OFHNTGtajL3AlZkykD32HykiMo+BIBI8A=="
     },
+    "node_modules/long": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/long/-/long-5.3.2.tgz",
+      "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA=="
+    },
     "node_modules/lru-cache": {
       "version": "10.4.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
@@ -866,6 +889,17 @@
         "lodash-es": "^4.17.21"
       }
     },
+    "node_modules/protobufjs": {
+      "version": "8.6.5",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.6.5.tgz",
+      "integrity": "sha512-zeE5LPpencAGXvsxyOYmEgJhxzHY8IsmPAFzstZVhDSVT8QH03q6gMZwZRaQGApevZbAL6u28ugs4CC+YKB2jQ==",
+      "dependencies": {
+        "long": "^5.3.2"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -1120,7 +1154,7 @@
     "@converse/log": {
       "version": "file:../log",
       "requires": {
-        "@types/node": "^22.0.0",
+        "@types/node": "^25.9.3",
         "typescript": "^5.5.4"
       }
     },
@@ -1130,9 +1164,9 @@
       "integrity": "sha512-qgnVz9K3jHss9aajmZ2Pf6z5oyHATLUaY9wyaDyLUw/SAvnzyL+oErotgw12mKhO2o3dwuEtcglmZfpmgufYWw=="
     },
     "@converse/skeletor": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@converse/skeletor/-/skeletor-3.0.0.tgz",
-      "integrity": "sha512-5PvhWtG39huXb0Lv85z81wERFoyxdv+cDBnsGaRlR0AOXD4+6iaNExzxS2liuUapjxbncwBspSwPeMqYX7Cb0w==",
+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/@converse/skeletor/-/skeletor-3.1.4.tgz",
+      "integrity": "sha512-t4pfgiTpPtdKG60eDs5KevGP8utGTUR7NEJ1u3p7ed8ZIwKVyoSHYMkIbdgKGABT0TkNxZ9v84Bv0ZaPrX0LBg==",
       "requires": {
         "@converse/localforage-getitems": "1.4.3",
         "@types/lodash-es": "^4.17.12",
@@ -1141,7 +1175,15 @@
         "localforage-driver-memory": "^1.0.5",
         "localforage-setitems": "^1.4.0",
         "lodash-es": "^4.17.21",
-        "mergebounce": "0.1.3"
+        "mergebounce": "0.1.3",
+        "tslib": "^2.8.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "2.8.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+          "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="
+        }
       }
     },
     "@csstools/color-helpers": {
@@ -1333,9 +1375,9 @@
       "optional": true
     },
     "dompurify": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.0.tgz",
-      "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
+      "version": "3.4.11",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
+      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
       "requires": {
         "@types/trusted-types": "^2.0.7"
       }
@@ -1549,6 +1591,14 @@
         "xml-name-validator": "^5.0.0"
       }
     },
+    "libomemo.js": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/libomemo.js/-/libomemo.js-2.0.2.tgz",
+      "integrity": "sha512-Ou12YU18wq0eCvTCbKl+ivFrSp8IgOf2nmj4SpGN52vHViPn/CysAODm2eN6t20xe52vHyUI6AxlrcoJH6sePg==",
+      "requires": {
+        "protobufjs": "^8.0.0"
+      }
+    },
     "lie": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/lie/-/lie-3.1.1.tgz",
@@ -1609,6 +1659,11 @@
       "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.18.1.tgz",
       "integrity": "sha512-J8xewKD/Gk22OZbhpOVSwcs60zhd95ESDwezOFuA3/099925PdHJ7OFHNTGtajL3AlZkykD32HykiMo+BIBI8A=="
     },
+    "long": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/long/-/long-5.3.2.tgz",
+      "integrity": "sha512-mNAgZ1GmyNhD7AuqnTG3/VQ26o760+ZYBPKjPvugO8+nLbYfX6TVpJPseBvopbdY+qpZ/lKUnmEc1LeZYS3QAA=="
+    },
     "lru-cache": {
       "version": "10.4.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
@@ -1674,6 +1729,14 @@
         "lodash-es": "^4.17.21"
       }
     },
+    "protobufjs": {
+      "version": "8.6.5",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.6.5.tgz",
+      "integrity": "sha512-zeE5LPpencAGXvsxyOYmEgJhxzHY8IsmPAFzstZVhDSVT8QH03q6gMZwZRaQGApevZbAL6u28ugs4CC+YKB2jQ==",
+      "requires": {
+        "long": "^5.3.2"
+      }
+    },
     "punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",