diff --git a/Cargo.toml b/Cargo.toml
index 669c0aa..191f3c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,14 +7,15 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+# new flexi_logger failed on rustc 1.75
 flexi_logger = { version = "0.27", features = ["async"] }
-protobuf = { version = "3.4", features = ["with-bytes"] }
-tokio = { version = "1.38", features = ["full"] }
+protobuf = { version = "3.7", features = ["with-bytes"] }
+tokio = { version = "1.44", features = ["full"] }
 tokio-util = { version = "0.7", features = ["full"] }
 futures = "0.3"
-bytes = { version = "1.6", features = ["serde"] }
+bytes = { version = "1.10", features = ["serde"] }
 log = "0.4"
-env_logger = "0.10"
+env_logger = "0.11"
 socket2 = { version = "0.3", features = ["reuseport"] }
 zstd = "0.13"
 anyhow = "1.0"
@@ -24,32 +25,29 @@ rand = "0.8"
 serde_derive = "1.0"
 serde = "1.0"
 serde_json = "1.0"
-lazy_static = "1.4"
+lazy_static = "1.5"
 confy = { git = "https://github.com/rustdesk-org/confy" }
 dirs-next = "2.0"
 filetime = "0.2"
 sodiumoxide = "0.2"
-regex = "1.8"
+regex = "1.11"
 tokio-socks = { git = "https://github.com/rustdesk-org/tokio-socks" }
 chrono = "0.4"
 backtrace = "0.3"
 libc = "0.2"
 dlopen = "0.1"
 toml = "0.7"
-uuid = { version = "1.3", features = ["v4"] }
+uuid = { version = "1.16", features = ["v4"] }
 # new sysinfo issue: https://github.com/rustdesk/rustdesk/pull/6330#issuecomment-2270871442
 sysinfo = { git = "https://github.com/rustdesk-org/sysinfo", branch = "rlim_max" }
+# new flexi_logger failed on nightly rustc 1.75 for x86
 thiserror = "1.0"
-httparse = "1.5"
+httparse = "1.10"
 base64 = "0.22"
-url = "2.2"
+url = "2.5"
 sha2 = "0.10"
-tokio-tungstenite = {version = "0.26.2", optional = true}
-tungstenite = {version = "0.26.2", optional = true}
-
-[features]
-default = ["websocket"]
-websocket = ["dep:tokio-tungstenite", "dep:tungstenite"]
+tokio-tungstenite = { version = "0.26.2" }
+tungstenite = { version = "0.26.2" }
 
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
@@ -57,17 +55,27 @@ mac_address = "1.1"
 default_net = { git = "https://github.com/rustdesk-org/default_net" }
 machine-uid = { git = "https://github.com/rustdesk-org/machine-uid" }
 [target.'cfg(not(any(target_os = "macos", target_os = "windows")))'.dependencies]
-tokio-rustls = { version = "0.26", features = ["logging", "tls12", "ring"], default-features = false }
-rustls-platform-verifier = "0.3.1"
-rustls-pki-types = "1.4"
+tokio-rustls = { version = "0.26", features = [
+    "logging",
+    "tls12",
+    "ring",
+], default-features = false }
+rustls-platform-verifier = "0.5"
+rustls-pki-types = "1.11"
 [target.'cfg(any(target_os = "macos", target_os = "windows"))'.dependencies]
-tokio-native-tls ="0.3"
+tokio-native-tls = "0.3"
 
 [build-dependencies]
-protobuf-codegen = { version = "3.4" }
+protobuf-codegen = { version = "3.7" }
 
 [target.'cfg(target_os = "windows")'.dependencies]
-winapi = { version = "0.3", features = ["winuser", "synchapi", "pdh", "memoryapi", "sysinfoapi"] }
+winapi = { version = "0.3", features = [
+    "winuser",
+    "synchapi",
+    "pdh",
+    "memoryapi",
+    "sysinfoapi",
+] }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 osascript = "0.3"
diff --git a/src/config.rs b/src/config.rs
index 3a944f0..e65a79f 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -2307,6 +2307,7 @@ pub mod keys {
     pub const OPTION_TEXTURE_RENDER: &str = "use-texture-render";
     pub const OPTION_ALLOW_D3D_RENDER: &str = "allow-d3d-render";
     pub const OPTION_ENABLE_CHECK_UPDATE: &str = "enable-check-update";
+    pub const OPTION_ALLOW_AUTO_UPDATE: &str = "allow-auto-update";
     pub const OPTION_SYNC_AB_WITH_RECENT_SESSIONS: &str = "sync-ab-with-recent-sessions";
     pub const OPTION_SYNC_AB_TAGS: &str = "sync-ab-tags";
     pub const OPTION_FILTER_AB_BY_INTERSECTION: &str = "filter-ab-by-intersection";
@@ -2472,6 +2473,7 @@ pub mod keys {
         OPTION_ENABLE_CLIPBOARD,
         OPTION_ENABLE_FILE_TRANSFER,
         OPTION_ENABLE_CAMERA,
+        OPTION_ENABLE_REMOTE_PRINTER,
         OPTION_ENABLE_AUDIO,
         OPTION_ENABLE_TUNNEL,
         OPTION_ENABLE_REMOTE_RESTART,
diff --git a/src/platform/linux.rs b/src/platform/linux.rs
index 60c8714..3ec22a7 100644
--- a/src/platform/linux.rs
+++ b/src/platform/linux.rs
@@ -104,7 +104,7 @@ pub fn get_display_server_of_session(session: &str) -> String {
     } else {
         "".to_owned()
     };
-    if display_server.is_empty() || display_server == "tty" {
+    if display_server.is_empty() || display_server == "tty" || display_server == "unspecified" {
         if let Ok(sestype) = std::env::var("XDG_SESSION_TYPE") {
             if !sestype.is_empty() {
                 return sestype.to_lowercase();
@@ -175,7 +175,7 @@ fn _get_values_of_seat0(indices: &[usize], ignore_gdm_wayland: bool) -> Vec<Stri
                             continue;
                         }
                     }
-                    if d == "tty" {
+                    if d == "tty" || d == "unspecified" {
                         continue;
                     }
                     return line_values(indices, line);
@@ -204,6 +204,15 @@ pub fn is_active_and_seat0(sid: &str) -> bool {
     }
 }
 
+// Check both "Lock" and "Switch user"
+pub fn is_session_locked(sid: &str) -> bool {
+    if let Ok(output) = run_loginctl(Some(vec!["show-session", sid, "--property=LockedHint"])) {
+        String::from_utf8_lossy(&output.stdout).contains("LockedHint=yes")
+    } else {
+        false
+    }
+}
+
 // **Note** that the return value here, the last character is '\n'.
 // Use `run_cmds_trim_newline()` if you want to remove '\n' at the end.
 pub fn run_cmds(cmds: &str) -> ResultType<String> {