diff --git a/Cargo.lock b/Cargo.lock
index e915524..4062d30 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -810,9 +810,9 @@ dependencies = [
  "rustls",
  "rustls-pemfile",
  "serde_json",
- "sha2 0.11.0",
- "strum",
- "strum_macros",
+ "sha2 0.10.9",
+ "strum 0.27.2",
+ "strum_macros 0.27.2",
  "sysinfo",
  "tokio",
  "tokio-tungstenite",
@@ -1264,16 +1264,6 @@ dependencies = [
  "ctutils",
 ]
 
-[[package]]
-name = "dispatch2"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0e367e4e7da84520dedcac1901e4da967309406d1e51017ae1abfb97adbd38"
-dependencies = [
- "bitflags 2.13.1",
- "objc2",
-]
-
 [[package]]
 name = "displaydoc"
 version = "0.2.7"
@@ -1363,7 +1353,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2243,9 +2233,9 @@ dependencies = [
  "rustls",
  "rustls-pemfile",
  "serde_json",
- "sha2 0.11.0",
- "strum",
- "strum_macros",
+ "sha2 0.10.9",
+ "strum 0.27.2",
+ "strum_macros 0.27.2",
  "sysinfo",
  "tokio",
  "tokio-tungstenite",
@@ -2300,9 +2290,9 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml",
- "sha2 0.11.0",
- "strum",
- "strum_macros",
+ "sha2 0.10.9",
+ "strum 0.27.2",
+ "strum_macros 0.27.2",
  "sysinfo",
  "tempfile",
  "tokio",
@@ -2476,7 +2466,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml",
- "sha2 0.11.0",
+ "sha2 0.10.9",
  "sysinfo",
  "thiserror 2.0.19",
  "tokio",
@@ -2518,7 +2508,7 @@ dependencies = [
  "semver",
  "serde",
  "serde_json",
- "sha2 0.11.0",
+ "sha2 0.10.9",
  "sysinfo",
  "tempfile",
  "tokio",
@@ -3229,15 +3219,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "objc2"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a12a8ed07aefc768292f076dc3ac8c48f3781c8f2d5851dd3d98950e8c5a89f"
-dependencies = [
- "objc2-encode",
-]
-
 [[package]]
 name = "objc2-core-foundation"
 version = "0.3.2"
@@ -3245,24 +3226,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a180dd8642fa45cdb7dd721cd4c11b1cadd4929ce112ebd8b9f5803cc79d536"
 dependencies = [
  "bitflags 2.13.1",
- "dispatch2",
- "objc2",
-]
-
-[[package]]
-name = "objc2-encode"
-version = "4.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef25abbcd74fb2609453eb695bd2f860d389e457f67dc17cafc8b8cbc89d0c33"
-
-[[package]]
-name = "objc2-foundation"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3e0adef53c21f888deb4fa59fc59f7eb17404926ee8a6f59f5df0fd7f9f3272"
-dependencies = [
- "bitflags 2.13.1",
- "objc2",
 ]
 
 [[package]]
@@ -3275,17 +3238,6 @@ dependencies = [
  "objc2-core-foundation",
 ]
 
-[[package]]
-name = "objc2-open-directory"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb82bed227edf5201dfedf072bba4015a33d3d4a98519837295a90f0a23f676d"
-dependencies = [
- "objc2",
- "objc2-core-foundation",
- "objc2-foundation",
-]
-
 [[package]]
 name = "octets"
 version = "0.3.6"
@@ -3319,7 +3271,7 @@ dependencies = [
  "rand 0.10.2",
  "rand_core 0.6.4",
  "reqwest",
- "sha2 0.11.0",
+ "sha2 0.10.9",
  "tokio",
  "tokio-util",
  "uuid",
@@ -3443,9 +3395,9 @@ dependencies = [
  "rustls",
  "rustls-pemfile",
  "serde_json",
- "sha2 0.11.0",
- "strum",
- "strum_macros",
+ "sha2 0.10.9",
+ "strum 0.27.2",
+ "strum_macros 0.27.2",
  "sysinfo",
  "tokio",
  "tokio-tungstenite",
@@ -3901,7 +3853,7 @@ dependencies = [
  "once_cell",
  "socket2 0.6.5",
  "tracing",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -4029,7 +3981,7 @@ dependencies = [
  "lru",
  "palette",
  "serde",
- "strum",
+ "strum 0.28.0",
  "thiserror 2.0.19",
  "unicode-segmentation",
  "unicode-truncate",
@@ -4093,7 +4045,7 @@ dependencies = [
  "line-clipping",
  "ratatui-core",
  "serde",
- "strum",
+ "strum 0.28.0",
  "time",
  "unicode-segmentation",
  "unicode-width",
@@ -4269,7 +4221,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -4337,7 +4289,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -4743,13 +4695,31 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "strum"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
+
 [[package]]
 name = "strum"
 version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9628de9b8791db39ceda2b119bbe13134770b56c138ec1d3af810d045c04f9bd"
 dependencies = [
- "strum_macros",
+ "strum_macros 0.28.0",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4825,16 +4795,15 @@ dependencies = [
 
 [[package]]
 name = "sysinfo"
-version = "0.39.6"
+version = "0.38.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2071df9448915b71c4fe6d25deaf1c22f12bd234f01540b77312bb8e41361e6"
+checksum = "92ab6a2f8bfe508deb3c6406578252e491d299cbbf3bc0529ecc3313aee4a52f"
 dependencies = [
  "libc",
  "memchr",
  "ntapi",
  "objc2-core-foundation",
  "objc2-io-kit",
- "objc2-open-directory",
  "windows",
 ]
 
@@ -4869,7 +4838,7 @@ dependencies = [
  "getrandom 0.4.3",
  "once_cell",
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -5557,9 +5526,9 @@ dependencies = [
  "rustls",
  "rustls-pemfile",
  "serde_json",
- "sha2 0.11.0",
- "strum",
- "strum_macros",
+ "sha2 0.10.9",
+ "strum 0.27.2",
+ "strum_macros 0.27.2",
  "sysinfo",
  "tokio",
  "tokio-tungstenite",
@@ -5674,7 +5643,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 0c9e8a1..6f92415 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -47,10 +47,10 @@ rusqlite = "0.40.0"
 rustls = { version = "0.23.37", features = ["aws-lc-rs"] }
 rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
 tungstenite = "*"
diff --git a/communities/Cargo.toml b/communities/Cargo.toml
index c4553c1..ffacfe6 100644
--- a/communities/Cargo.toml
+++ b/communities/Cargo.toml
@@ -46,10 +46,10 @@ rusqlite = "0.40.0"
 rustls = { version = "0.23.37", features = ["aws-lc-rs"] }
 rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
 tungstenite = "*"
diff --git a/iota-auth/Cargo.toml b/iota-auth/Cargo.toml
index 88cb1ea..002bbc1 100644
--- a/iota-auth/Cargo.toml
+++ b/iota-auth/Cargo.toml
@@ -43,10 +43,10 @@ rusqlite = "0.40.0"
 rustls = { version = "0.23.37", features = ["aws-lc-rs"] }
 rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
 tungstenite = "*"
diff --git a/iota-cli/Cargo.toml b/iota-cli/Cargo.toml
index 875893f..d397c1a 100644
--- a/iota-cli/Cargo.toml
+++ b/iota-cli/Cargo.toml
@@ -63,10 +63,10 @@ rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.9"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-util = { version = "0.7", features = ["rt"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
diff --git a/iota-connection/src/message_handlers.rs b/iota-connection/src/message_handlers.rs
index 73244d7..1330ef2 100644
--- a/iota-connection/src/message_handlers.rs
+++ b/iota-connection/src/message_handlers.rs
@@ -296,45 +296,6 @@ fn contact_value(
     typed_container(fields)
 }
 
-fn current_contact_ids(user_id: i64) -> DataValue {
-    contact_ids_value(
-        chats_util::get_users(user_id)
-            .into_iter()
-            .map(|contact| contact.user_id),
-    )
-}
-
-fn contact_ids_value(ids: impl IntoIterator<Item = i64>) -> DataValue {
-    let mut contact_ids = ids.into_iter().collect::<Vec<_>>();
-    contact_ids.sort_unstable();
-    contact_ids.dedup();
-
-    DataValue::Array(
-        contact_ids
-            .into_iter()
-            .map(|user_id| DataValue::SignedNumber(user_id as i128))
-            .collect(),
-    )
-}
-
-#[cfg(test)]
-mod presence_tests {
-    use super::contact_ids_value;
-    use mtp::codec::DataValue;
-
-    #[test]
-    fn contact_snapshot_is_sorted_and_deduplicated() {
-        assert_eq!(
-            contact_ids_value([9, 3, 9, 4, 3]),
-            DataValue::Array(vec![
-                DataValue::SignedNumber(3),
-                DataValue::SignedNumber(4),
-                DataValue::SignedNumber(9),
-            ])
-        );
-    }
-}
-
 fn sync_error(cv: &CommunicationValue) -> CommunicationValue {
     error_response(cv, CommunicationType::ErrorInvalidData).add_typed_default(
         DataType::SessionId,
@@ -395,6 +356,10 @@ pub fn handle_client_connected(cv: &CommunicationValue) -> CommunicationValue {
             ),
         }
     };
+    let all_contact_ids = chats_util::get_users(user_id)
+        .into_iter()
+        .map(|contact| DataValue::SignedNumber(contact.user_id as i128))
+        .collect();
     let message_values = messages
         .iter()
         .map(|message| stored_message_value(message, user_id, message.external_user))
@@ -443,7 +408,7 @@ pub fn handle_client_connected(cv: &CommunicationValue) -> CommunicationValue {
                     .collect(),
             ),
         )
-        .add_typed_default(DataType::UserIds, current_contact_ids(user_id))
+        .add_typed_default(DataType::UserIds, DataValue::Array(all_contact_ids))
         .add_typed_default(DataType::Calls, DataValue::Array(Vec::new()))
 }
 
@@ -546,10 +511,6 @@ pub fn handle_get_chats(cv: &CommunicationValue) -> CommunicationValue {
 
 pub fn handle_add_conversation(cv: &CommunicationValue) -> CommunicationValue {
     let user_id = cv.get_sender();
-    let session_id = match data_i64(cv, DataType::SessionId) {
-        Some(id) if id > 0 => id,
-        _ => return sync_error(cv),
-    };
     let other_id = match cv.get_data(DataType::ChatPartnerId).as_number() {
         Some(n) => n as i64,
         None => cv
@@ -571,11 +532,6 @@ pub fn handle_add_conversation(cv: &CommunicationValue) -> CommunicationValue {
     CommunicationValue::new(CommunicationType::AddConversation)
         .with_id(cv.get_id())
         .with_receiver(user_id)
-        .add_typed_default(
-            DataType::SessionId,
-            DataValue::SignedNumber(session_id as i128),
-        )
-        .add_typed_default(DataType::UserIds, current_contact_ids(user_id as i64))
 }
 
 pub fn handle_add_community(cv: &CommunicationValue) -> CommunicationValue {
diff --git a/iota-daemon-lib/Cargo.toml b/iota-daemon-lib/Cargo.toml
index 4eb0b7c..5e0c67c 100644
--- a/iota-daemon-lib/Cargo.toml
+++ b/iota-daemon-lib/Cargo.toml
@@ -15,7 +15,7 @@ omikron-connector = { path = "../omikron-connector" }
 mtp = { git = "https://git.methanium.net/Methanium/mtp.git" }
 dashmap = "6.1.0"
 libc = "0.2"
-sysinfo = "0.39.0"
+sysinfo = "0.38.3"
 serde_yaml = "0.9"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-util = { version = "0.7", features = ["rt"] }
diff --git a/iota-state/Cargo.toml b/iota-state/Cargo.toml
index 8c9ab8a..4275556 100644
--- a/iota-state/Cargo.toml
+++ b/iota-state/Cargo.toml
@@ -12,6 +12,6 @@ dashmap = "6.1.0"
 once_cell = "1.21.3"
 tokio = { version = "1.50.0", features = ["full"] }
 json = "*"
-sysinfo = "0.39.0"
+sysinfo = "0.38.3"
 mtp = { git = "https://git.methanium.net/Methanium/mtp.git" }
 serde = { version = "1", features = ["derive"] }
diff --git a/iota-storage/Cargo.toml b/iota-storage/Cargo.toml
index 1b4faa6..a89e967 100644
--- a/iota-storage/Cargo.toml
+++ b/iota-storage/Cargo.toml
@@ -28,8 +28,8 @@ rand_core = { version = "0.6", features = ["getrandom", "std"] }
 ratatui = "0.30.0"
 reqwest = "0.13.2"
 rusqlite = "0.40.0"
-sha2 = "0.11.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 uuid = { version = "*", features = ["v4"] }
 walkdir = "2.5.0"
diff --git a/iota-updater/Cargo.toml b/iota-updater/Cargo.toml
index 2f6bf04..d089180 100644
--- a/iota-updater/Cargo.toml
+++ b/iota-updater/Cargo.toml
@@ -14,14 +14,14 @@ pnet = "0.35.0"
 ratatui = "0.30.0"
 reqwest = "0.13.2"
 tokio = { version = "1.50.0", features = ["full"] }
-sysinfo = "0.39.0"
+sysinfo = "0.38.3"
 uuid = { version = "*", features = ["v4"] }
 walkdir = "2.5.0"
 zip = "6.0.0"
 aes-gcm = "0.10.3"
 base64 = "0.22.1"
 rand_core = { version = "0.6", features = ["getrandom", "std"] }
-sha2 = "0.11.0"
+sha2 = "0.10.9"
 x448 = { version = "*" }
 hkdf = "0.12.4"
 once_cell = "1.21.3"
diff --git a/iota-util/Cargo.toml b/iota-util/Cargo.toml
index e9907eb..d61786e 100644
--- a/iota-util/Cargo.toml
+++ b/iota-util/Cargo.toml
@@ -11,7 +11,7 @@ mtp = { git = "https://git.methanium.net/Methanium/mtp.git", features = [
 
 reqwest = "0.13.2"
 tokio = { version = "1.50.0", features = ["full"] }
-sysinfo = "0.39.0"
+sysinfo = "0.38.3"
 uuid = { version = "*", features = ["v4"] }
 walkdir = "2.5.0"
 zip = "6.0.0"
diff --git a/mtp-type-maps b/mtp-type-maps
index 486541b..f430cd3 160000
--- a/mtp-type-maps
+++ b/mtp-type-maps
@@ -1 +1 @@
-Subproject commit 486541b9483356ff49ff3ec7016f87d3ecbeaa0e
+Subproject commit f430cd358b3d07a4cfd6982eb8917fec80c24a7d
diff --git a/omikron-connector/Cargo.toml b/omikron-connector/Cargo.toml
index 76f079f..8277455 100644
--- a/omikron-connector/Cargo.toml
+++ b/omikron-connector/Cargo.toml
@@ -26,5 +26,5 @@ base64 = "0.22.1"
 hex = "*"
 rand = "0.10"
 rand_core = { version = "0.6", features = ["getrandom", "std"] }
-sha2 = "0.11.0"
+sha2 = "0.10.9"
 x448 = { version = "*" }
diff --git a/other-iota/Cargo.toml b/other-iota/Cargo.toml
index 27cf265..8139a27 100644
--- a/other-iota/Cargo.toml
+++ b/other-iota/Cargo.toml
@@ -46,10 +46,10 @@ rusqlite = "0.40.0"
 rustls = { version = "0.23.37", features = ["aws-lc-rs"] }
 rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
 tungstenite = "*"
diff --git a/web-ui/Cargo.toml b/web-ui/Cargo.toml
index 8d94570..9a4ac48 100644
--- a/web-ui/Cargo.toml
+++ b/web-ui/Cargo.toml
@@ -46,10 +46,10 @@ rusqlite = "0.40.0"
 rustls = { version = "0.23.37", features = ["aws-lc-rs"] }
 rustls-pemfile = "2.2.0"
 serde_json = "1.0.149"
-sha2 = "0.11.0"
-strum = "0.28.0"
-strum_macros = "0.28.0"
-sysinfo = "0.39.0"
+sha2 = "0.10.9"
+strum = "0.27.2"
+strum_macros = "0.27.2"
+sysinfo = "0.38.3"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-tungstenite = { version = "*", features = ["native-tls"] }
 tungstenite = "*"