diff --git a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/CustomData2.swift b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/CustomData2.swift
index 67717c0..b105db3 100755
--- a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/CustomData2.swift
+++ b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/CustomData2.swift
@@ -11,7 +11,7 @@ public class CustomData2: Eraseable {
         public var value: String
         public var lastModificationTime: Date? 
         
-        init(value: String, lastModificationTime: Date?) {
+        public init(value: String, lastModificationTime: Date?) {
             self.value = value
             self.lastModificationTime = lastModificationTime
         }
@@ -96,7 +96,7 @@ public class CustomData2: Eraseable {
             case Xml2.value:
                 value = tag.value ?? ""
             case Xml2.lastModificationTime:
-                optionalTimestamp = timeParser.xmlStringToDate(tag.value)
+                optionalTimestamp = (xmlParentName != "Group" && xmlParentName != "Entry") ? timeParser.xmlStringToDate(tag.value) : nil
             default:
                 Logger.mainLog.error("Unexpected XML tag in CustomData/Item", metadata: ["name": "\(tag.name)"])
                 throw Xml2.ParsingError.unexpectedTag(
diff --git a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Entry2.swift b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Entry2.swift
index 55b76b8..aa54ef9 100644
--- a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Entry2.swift
+++ b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Entry2.swift
@@ -258,7 +258,7 @@ public class Entry2: Entry {
             return Bool(string: property.value)
         }
         set {
-            let dataItem = CustomData2.Item(value: String(describing: newValue), lastModificationTime: .now)
+            let dataItem = CustomData2.Item(value: String(describing: newValue), lastModificationTime: nil)
             customData[Xml2.ThirdParty.browserHideEntry] = dataItem
         }
     }
diff --git a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Group2.swift b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Group2.swift
index bb188c1..8ba4e6f 100755
--- a/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Group2.swift
+++ b/ios/KdbxSwift/Sources/KdbxSwift/db/kp2/Group2.swift
@@ -83,7 +83,7 @@ public class Group2: Group {
         targetGroup2.customData = customData.clone()
     }
     
-    override public func createEntry(detached: Bool = false) -> Entry {
+    override public func createEntry(detached: Bool = false) -> Entry2 {
         let newEntry = Entry2(database: database)
         newEntry.uuid = UUID()
         newEntry.isDeleted = self.isDeleted
diff --git a/ios/KeeVaultAutofill/KeeVaultViewController.swift b/ios/KeeVaultAutofill/KeeVaultViewController.swift
index d5d7702..604ab98 100644
--- a/ios/KeeVaultAutofill/KeeVaultViewController.swift
+++ b/ios/KeeVaultAutofill/KeeVaultViewController.swift
@@ -49,7 +49,7 @@ class KeeVaultViewController: UIViewController, AddOrEditEntryDelegate {
         
         if let urlString = self.searchDomains?.first {
             if let url = urlFromString(urlString) {
-                addUrlToEntry(entry, url.absoluteString)
+                addUrlToEntry(entry as! Entry2, url.absoluteString)
             }
         }
         
@@ -73,7 +73,7 @@ class KeeVaultViewController: UIViewController, AddOrEditEntryDelegate {
         if (newUrl) {
             if let urlString = self.searchDomains?.first {
                 if let url = urlFromString(urlString) {
-                    addUrlToEntry(entry, url.absoluteString)
+                    addUrlToEntry(entry as! Entry2, url.absoluteString)
                 }
             }
         }
@@ -222,17 +222,44 @@ class KeeVaultViewController: UIViewController, AddOrEditEntryDelegate {
         return (0, firstHostname)
     }
     
-    fileprivate func addUrlToEntry(_ entry: Entry, _ url: String) {
+    fileprivate func mashNewUrlIntoJSON(_ entryJson: String, _ propertyName: String, _ url: String) -> String {
+        let range = entryJson.range(of: #""\#(propertyName)"\:\[([^\]]*)\]"#, options: .regularExpression)
+        var newJson = entryJson.replacingOccurrences(of: "[]", with: "[\"\(url)\"]", options: .init(), range: range)
+        if (newJson.count == entryJson.count) {
+            // may already have an altURL
+            newJson = entryJson.replacingOccurrences(of: "]", with: ",\"\(url)\"]", options: .init(), range: range)
+        }
+        if (newJson.count == entryJson.count) {
+            // may be a null property
+            let rangeNull = entryJson.range(of: #""\#(propertyName)"\:null"#, options: .regularExpression)
+            newJson = entryJson.replacingOccurrences(of: "null", with: "[\"\(url)\"]", options: .init(), range: rangeNull)
+        }
+        if (newJson.count == entryJson.count) {
+            // no altURLs at all
+            let idx = newJson.index(newJson.endIndex, offsetBy: -1)
+            newJson.insert(contentsOf: ",\"\(propertyName)\":[\"\(url)\"]", at: idx)
+        }
+        return newJson
+    }
+    
+    fileprivate func addUrlToEntry(_ entry: Entry2, _ url: String) {
         if (entry.rawURL.isEmpty) {
             entry.rawURL = url
         } else {
-            let entryJson = entry.getField("KPRPC JSON")?.value ?? "{\"version\":1,\"priority\":0,\"hide\":false,\"hTTPRealm\":\"\",\"formFieldList\":[],\"alwaysAutoFill\":false,\"alwaysAutoSubmit\":false,\"neverAutoFill\":false,\"neverAutoSubmit\":false,\"blockDomainOnlyMatch\":false,\"blockHostnameOnlyMatch\":false,\"altURLs\":[],\"regExURLs\":[],\"blockedURLs\":[],\"regExBlockedURLs\":[]}"
-            let range = entryJson.range(of: #""altURLs"\:\[([^\]]*)\]"#, options: .regularExpression)
-            var newJson = entryJson.replacingOccurrences(of: "[]", with: "[\"\(url)\"]", options: .init(), range: range)
-            if (newJson.count == entryJson.count) {
-                newJson = entryJson.replacingOccurrences(of: "]", with: ",\"\(url)\"]", options: .init(), range: range)
+            // We can write new entry configuration to V2 location but can't assume that every entry
+            // has already been migrated from V1 and don't want to handle the migration in the
+            // AutoFill extension so we also edit V1 if we find it there.
+            
+            if let entryJson = entry.getField("KPRPC JSON")?.value {
+                let newJson = mashNewUrlIntoJSON(entryJson, "altURLs", url)
+                entry.setField(name: "KPRPC JSON", value: newJson, isProtected: true)
             }
-            entry.setField(name: "KPRPC JSON", value: newJson, isProtected: true)
+            
+            let entryJsonV2 = entry.customData["KPRPC JSON"]?.value ?? #"{"version":2,"authenticationMethods":["password"],"matcherConfigs":[{"matcherType":"Url"}],"fields":[{"page":1,"valuePath":"UserName","uuid":"\#(UUID())","type":"Text","matcherConfigs":[{"matcherType":"UsernameDefaultHeuristic"}]},{"page":1,"valuePath":"Password","uuid":"\#(UUID())","type":"Password","matcherConfigs":[{"matcherType":"PasswordDefaultHeuristic"}]}]}"#
+        
+            let newJson = mashNewUrlIntoJSON(entryJsonV2, "altUrls", url)
+            let dataItem = CustomData2.Item(value: String(describing: newJson), lastModificationTime: nil)
+            entry.customData["KPRPC JSON"] = dataItem
         }
     }
     
@@ -240,7 +267,7 @@ class KeeVaultViewController: UIViewController, AddOrEditEntryDelegate {
         guard let db = entry.database else {
             fatalError("Invalid entry found while saving new URL")
         }
-        addUrlToEntry(entry, url)
+        addUrlToEntry(entry as! Entry2, url)
         entry.setModified()
         dbFileManager.saveToFile(db: db)
         
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index ff775a4..0cc37c1 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -56,9 +56,9 @@ PODS:
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
-  - permission_handler_apple (9.1.1):
+  - permission_handler_apple (9.3.0):
     - Flutter
-  - rate_my_app (1.1.4):
+  - rate_my_app (2.0.0):
     - Flutter
   - SDWebImage (5.16.0):
     - SDWebImage/Core (= 5.16.0)
@@ -153,16 +153,16 @@ SPEC CHECKSUMS:
   flutter_native_splash: 52501b97d1c0a5f898d687f1646226c1f93c56ef
   MTBBarcodeScanner: f453b33c4b7dfe545d8c6484ed744d55671788cb
   package_info_plus: 115f4ad11e0698c8c1c5d8a689390df880f47e85
-  path_provider_foundation: 29f094ae23ebbca9d3d0cec13889cd9060c0e943
-  permission_handler_apple: e76247795d700c14ea09e3a2d8855d41ee80a2e6
-  rate_my_app: e249ec0751c276811746ff89558c23dc0da39f0c
+  path_provider_foundation: 3784922295ac71e43754bd15e0653ccfd36a147c
+  permission_handler_apple: 036b856153a2b1f61f21030ff725f3e6fece2b78
+  rate_my_app: 80fba94c4885cd31738231b7b1f51c1ad726f5c7
   SDWebImage: 2aea163b50bfcb569a2726b6a754c54a4506fcf6
   sensitive_clipboard: d4866e5d176581536c27bb1618642ee83adca986
   share_plus: c3fef564749587fc939ef86ffb283ceac0baf9f5
-  shared_preferences_foundation: 5b919d13b803cadd15ed2dc053125c68730e5126
+  shared_preferences_foundation: b4c3b4cddf1c21f02770737f147a3f5da9d39695
   SwiftProtobuf: 40bd808372cb8706108f22d28f8ab4a6b9bc6989
   SwiftyGif: 93a1cc87bf3a51916001cf8f3d63835fb64c819f
-  url_launcher_ios: 68d46cc9766d0c41dbdc884310529557e3cd7a86
+  url_launcher_ios: bbd758c6e7f9fd7b5b1d4cde34d2b95fcce5e812
 
 PODFILE CHECKSUM: 0658f7bb36458779f6da1691e33f9d925242f612
 
diff --git a/lib/local_vault_repository.dart b/lib/local_vault_repository.dart
index 1cf23a1..87992f7 100644
--- a/lib/local_vault_repository.dart
+++ b/lib/local_vault_repository.dart
@@ -332,6 +332,16 @@ class LocalVaultRepository {
       //something that a background service might be able to achieve if Apple
       //and Google are able to offer a suitable API.
       final kdbxToMergeInto = (await vault.files.pending) ?? vault.files.current;
+
+      // may have just downloaded an old version or an old autofill kdbx might have been
+      // left over from an autofill operation in progress before user updated to this version of Kee Vault 2
+      if (kdbxToMergeInto.header.version < KdbxVersion.V4_1) {
+        //TODO: date formats need to be left as is if already in v4 format
+        //TODO: upgrade as part of file load operations
+        //TODO: ios ignore entries in trash
+        //TODO: ios find out why edited bbc entry fails to open for editing... corrupt settings?
+        kdbxToMergeInto.upgrade(4, 1);
+      }
       kdbxToMergeInto.merge(autofill.files.current);
       final kdbxData = await kdbxFormat().save(kdbxToMergeInto);
 
diff --git a/pubspec.lock b/pubspec.lock
index aa0d2ea..30f6436 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -596,8 +596,8 @@ packages:
     description:
       path: "."
       ref: main
-      resolved-ref: "1cf19f0ed3fc1f0e3b88da341a0ef82ab26de16b"
-      url: "git@github.com:Floating-Dartists/matomo-tracker.git"
+      resolved-ref: "32e4e8ade8a4f3f9a0deb7cf2a27387919b77eb9"
+      url: "https://github.com/Floating-Dartists/matomo-tracker.git"
     source: git
     version: "4.1.1"
   meta:
diff --git a/pubspec.yaml b/pubspec.yaml
index 8cbd936..904a665 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -88,7 +88,7 @@ dependencies:
     sdk: flutter
   matomo_tracker:
     git:
-      url: git@github.com:Floating-Dartists/matomo-tracker.git
+      url: https://github.com/Floating-Dartists/matomo-tracker.git
       ref: main
   file_picker: ^6.0.0
   zxcvbn: ^1.0.0