diff --git a/packages/copper-proc-macros/Cargo.toml b/packages/copper-proc-macros/Cargo.toml
index 4776802..b495093 100644
--- a/packages/copper-proc-macros/Cargo.toml
+++ b/packages/copper-proc-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pistonite-cu-proc-macros"
-version = "0.2.9"
+version = "0.2.10"
 edition = "2024"
 description = "Proc-macros for Cu"
 repository = "https://github.com/Pistonite/cu"
@@ -12,7 +12,7 @@ exclude = [
 
 [dependencies.pm]
 package = "pistonite-pm"
-version = "0.2.7"
+version = "0.3.0"
 path = "../promethium"
 features = ["full"]
 
diff --git a/packages/copper/Cargo.toml b/packages/copper/Cargo.toml
index 38fdcfb..ede792e 100644
--- a/packages/copper/Cargo.toml
+++ b/packages/copper/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pistonite-cu"
-version = "0.9.2"
+version = "0.9.3"
 edition = "2024"
 description = "Battery-included common utils to speed up development of rust tools"
 repository = "https://github.com/Pistonite/cu"
@@ -11,46 +11,46 @@ exclude = [
 ]
 
 [dependencies]
-pistonite-cu-proc-macros = { version = "0.2.9", path = "../copper-proc-macros" }
+pistonite-cu-proc-macros = { version = "0.2.10", path = "../copper-proc-macros" }
 
 # --- Always enabled ---
-anyhow = "1.0.103"
-log = "0.4.33"
+anyhow = "1.0.104"
+log = "0.4.34"
 
 # --- Command Line Interface ---
 oneshot = { version = "0.2.1", optional = true, features = ["std"] }
 env_filter = { version = "2.0.0", optional = true }
 terminal_size = { version = "0.4.4", optional = true }
 unicode-width = { version = "0.2.2", features = ["cjk"], optional = true }
-clap = { version = "4.6.1", features = ["derive"], optional = true }
-regex = { version = "1.13.0", optional = true }
+clap = { version = "4.6.6", features = ["derive"], optional = true }
+regex = { version = "1.13.1", optional = true }
 ctrlc = { version = "3.5.2", optional = true }
 
 # --- Coroutine ---
 num_cpus = { version = "1.17.0", optional = true }
-tokio = { version = "1.52.3", optional = true, features = [
+tokio = { version = "1.53.1", optional = true, features = [
     "macros", "rt-multi-thread"
 ] }
 
 # --- File System ---
 dunce = {version="1.0.5", optional = true}
-which = {version = "8.0.4", optional = true }
+which = {version = "8.0.6", optional = true }
 pathdiff = {version = "0.2.3", optional=true}
 filetime = { version = "0.2.29", optional = true}
-ignore = { version = "0.4.28", optional = true }
-spin = {version = "0.12.1", optional = true} # for PIO
+ignore = { version = "0.4.33", optional = true }
+spin = {version = "0.12.3", optional = true} # for PIO
 
 # serde
-serde = { version = "1.0.228", features = ["derive"], optional = true }
-serde_json = { version = "1.0.150", optional = true }
+serde = { version = "1.0.229", features = ["derive"], optional = true }
+serde_json = { version = "1.0.151", optional = true }
 serde_yaml_ng = { version = "0.10.0", optional = true }
-toml = { version = "1.1.2", optional = true }
+toml = { version = "1.1.5", optional = true }
 
 # derive
 derive_more = { version = "2.1.1", features = ["full"], optional = true }
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.186"
+libc = "0.2.189"
 
 [target.'cfg(windows)'.dependencies]
 windows-sys = { version = "0.61.2", features = ["Win32_Foundation", "Win32_System_Console", "Win32_Storage_FileSystem", "Win32_Security", "Win32_System_SystemServices"] }
@@ -58,7 +58,7 @@ windows-sys = { version = "0.61.2", features = ["Win32_Foundation", "Win32_Syste
 [dev-dependencies]
 
 [dev-dependencies.tokio]
-version = "1.52.3" 
+version = "1.53.1" 
 features = [ "macros", "rt-multi-thread", "time" ]
 
 [features]
diff --git a/packages/copper/src/str/path_macro.rs b/packages/copper/src/str/path_macro.rs
index f121274..a9b1243 100644
--- a/packages/copper/src/str/path_macro.rs
+++ b/packages/copper/src/str/path_macro.rs
@@ -111,11 +111,11 @@ macro_rules! path {
         $crate::__path_internal!(x / $($rest_segs)*)
     }};
     (( $first:expr ) / $($rest_segs:tt)* ) => {{
-        let mut x: ::std::path::PathBuf = { $first };
+        let mut x: ::std::path::PathBuf = $first;
         $crate::__path_internal!(x / $($rest_segs)*)
     }};
     ( & ( $first:expr ) / $($rest_segs:tt)* ) => {{
-        let x: &::std::path::Path = {$first}.as_ref();
+        let x: &::std::path::Path = ($first).as_ref();
         let mut x = x.to_path_buf();
         $crate::__path_internal!(x / $($rest_segs)*)
     }};
@@ -174,7 +174,7 @@ macro_rules! __path_internal {
     }};
     ($first:ident / $second:literal / ( $third:expr ) / $($rest_segs:tt)* ) => {{
         $first.push($second);
-        let x: &::std::path::Path = {$third}.as_ref();
+        let x: &::std::path::Path = ($third).as_ref();
         $first.push(x);
         $crate::__path_internal!($first / $($rest_segs)* )
     }};
@@ -200,7 +200,7 @@ macro_rules! __path_internal {
     ($first:ident / $second:ident / ( $third:expr ) / $($rest_segs:tt)* ) => {{
         let x: &::std::path::Path = $second.as_ref();
         $first.push(x);
-        let x: &::std::path::Path = {$third}.as_ref();
+        let x: &::std::path::Path = ($third).as_ref();
         $first.push(x);
         $crate::__path_internal!($first / $($rest_segs)* )
     }};
@@ -213,7 +213,7 @@ macro_rules! __path_internal {
     }};
     // expression muchering (1 at a time)
     ($first:ident / ( $second:expr ) / $($rest_segs:tt)* ) => {{
-        let x: &::std::path::Path = {$second}.as_ref();
+        let x: &::std::path::Path = ($second).as_ref();
         $first.push(x);
         $crate::__path_internal!($first / $($rest_segs)* )
     }};
@@ -228,17 +228,17 @@ macro_rules! __path_internal {
 
     ($first:ident / $second:literal / $third:expr) => {{
         $first.push($second);
-        let x: &::std::path::Path = {$third}.as_ref();
+        let x: &::std::path::Path = ($third).as_ref();
         $first.push(x); $first
     }};
     ($first:ident / $second:ident / $third:expr) => {{
         let x: &::std::path::Path = $second.as_ref();
         $first.push(x);
-        let x: &::std::path::Path = {$third}.as_ref();
+        let x: &::std::path::Path = ($third).as_ref();
         $first.push(x); $first
     }};
     ($first:ident / $second:expr) => {{
-        let x: &::std::path::Path = {$second}.as_ref();
+        let x: &::std::path::Path = ($second).as_ref();
         $first.push(x); $first
     }};
 
@@ -368,4 +368,21 @@ mod tests {
         assert_eq!(p, nine_expected());
         let _ = (b, e, h);
     }
+
+    #[test]
+    fn no_temporary() {
+        let aaa = String::from("aaa");
+        let bbb = String::from("bbb");
+        struct Foo {
+            bar: String,
+        }
+        let foo = Foo {
+            bar: String::from("bar"),
+        };
+        let p = crate::path!(&aaa / "k" / bbb / foo.bar);
+        let expected = PathBuf::from("aaa").join("k").join("bbb").join("bar");
+        assert_eq!(p, expected);
+        let p = crate::path!((aaa.into()) / "k" / bbb / foo.bar);
+        assert_eq!(p, expected);
+    }
 }
diff --git a/packages/promethium/Cargo.toml b/packages/promethium/Cargo.toml
index be4075d..2ef55a0 100644
--- a/packages/promethium/Cargo.toml
+++ b/packages/promethium/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pistonite-pm"
-version = "0.2.7"
+version = "0.3.0"
 edition = "2024"
 description = "Procedural Macro Common Utils"
 repository = "https://github.com/Pistonite/cu"
@@ -11,9 +11,9 @@ exclude = [
 ]
 
 [dependencies]
-proc-macro2 = { version = "1.0.106", default-features = false }
-quote = { version = "1.0.46", default-features = false }
-syn = { version = "2.0.118", default-features = false }
+proc-macro2 = { version = "1.0.107", default-features = false }
+quote = { version = "1.0.47", default-features = false }
+syn = { version = "3.0.5", default-features = false }
 
 [features]
 default = [