diff --git a/Cargo.lock b/Cargo.lock
index 605bb8a6..1668dc55 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -378,6 +378,7 @@ dependencies = [
  "blanket",
  "futures-core",
  "futures-task",
+ "futures-timer",
  "futures-util",
  "pin-project 1.0.11",
  "rustc_version",
@@ -1787,6 +1788,16 @@ version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
 
+[[package]]
+name = "futures-timer"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
+dependencies = [
+ "gloo-timers",
+ "send_wrapper 0.4.0",
+]
+
 [[package]]
 name = "futures-util"
 version = "0.3.21"
@@ -3869,6 +3880,12 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2333e6df6d6598f2b1974829f853c2b4c5f4a6e503c10af918081aa6f8564e1"
 
+[[package]]
+name = "send_wrapper"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f638d531eccd6e23b980caf34876660d38e265409d8e99b397ab71eb3612fad0"
+
 [[package]]
 name = "send_wrapper"
 version = "0.5.0"
@@ -3880,6 +3897,9 @@ name = "send_wrapper"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd0b0ec5f1c1ca621c432a25813d8d60c88abe6d3e08a3eb9cf37d97a0fe3d73"
+dependencies = [
+ "futures-core",
+]
 
 [[package]]
 name = "serde"
diff --git a/veilid-core/Cargo.toml b/veilid-core/Cargo.toml
index cdda10dc..a3b2ae70 100644
--- a/veilid-core/Cargo.toml
+++ b/veilid-core/Cargo.toml
@@ -104,9 +104,9 @@ serde_cbor = { version = "^0", default-features = false, features = ["alloc"] }
 serde_json = { version = "^1", default-features = false, features = ["alloc"] }
 getrandom = { version = "^0", features = ["js"] }
 ws_stream_wasm = "^0"
-async_executors = { version = "^0", default-features = false, features = [ "bindgen" ]}
+async_executors = { version = "^0", default-features = false, features = [ "bindgen", "timer" ]}
 async-lock = "^2"
-send_wrapper = "^0"
+send_wrapper = { version = "^0", features = ["futures"] }
 wasm-logger = "^0"
 tracing-wasm = "^0"
 
diff --git a/veilid-core/src/api_tracing_layer.rs b/veilid-core/src/api_tracing_layer.rs
index 911925c3..c2d6d3a5 100644
--- a/veilid-core/src/api_tracing_layer.rs
+++ b/veilid-core/src/api_tracing_layer.rs
@@ -5,18 +5,8 @@ use core::fmt::Write;
 use once_cell::sync::OnceCell;
 use tracing_subscriber::*;
 
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        use send_wrapper::*;
-
-        struct ApiLoggerInner {
-            update_callback: SendWrapper<UpdateCallback>,
-        }
-    } else {
-        struct ApiLoggerInner {
-            update_callback: UpdateCallback,
-        }
-    }
+struct ApiLoggerInner {
+    update_callback: UpdateCallback,
 }
 
 #[derive(Clone)]
@@ -28,17 +18,7 @@ static API_LOGGER: OnceCell<ApiTracingLayer> = OnceCell::new();
 
 impl ApiTracingLayer {
     fn new_inner(update_callback: UpdateCallback) -> ApiLoggerInner {
-        cfg_if! {
-            if #[cfg(target_arch = "wasm32")] {
-                ApiLoggerInner {
-                    update_callback: SendWrapper::new(update_callback),
-                }
-            } else {
-                ApiLoggerInner {
-                    update_callback,
-                }
-            }
-        }
+        ApiLoggerInner { update_callback }
     }
 
     #[instrument(level = "debug", skip(update_callback))]
diff --git a/veilid-core/src/callback_state_machine.rs b/veilid-core/src/callback_state_machine.rs
index aa9ebe3a..64ab36c1 100644
--- a/veilid-core/src/callback_state_machine.rs
+++ b/veilid-core/src/callback_state_machine.rs
@@ -1,21 +1,9 @@
 use crate::xx::*;
 pub use rust_fsm::*;
 
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        pub type StateChangeCallback<T> = Arc<
-            dyn Fn(<T as StateMachineImpl>::State, <T as StateMachineImpl>::State)
-                + 'static,
-        >;
-    } else {
-        pub type StateChangeCallback<T> = Arc<
-            dyn Fn(<T as StateMachineImpl>::State, <T as StateMachineImpl>::State)
-                + Send
-                + Sync
-                + 'static,
-        >;
-    }
-}
+pub type StateChangeCallback<T> = Arc<
+    dyn Fn(<T as StateMachineImpl>::State, <T as StateMachineImpl>::State) + Send + Sync + 'static,
+>;
 
 struct CallbackStateMachineInner<T>
 where
diff --git a/veilid-core/src/core_context.rs b/veilid-core/src/core_context.rs
index bd408f7b..f1d34442 100644
--- a/veilid-core/src/core_context.rs
+++ b/veilid-core/src/core_context.rs
@@ -5,13 +5,7 @@ use crate::veilid_api::*;
 use crate::veilid_config::*;
 use crate::xx::*;
 
-// cfg_if! {
-//     if #[cfg(target_arch = "wasm32")] {
-//         pub type UpdateCallback = Arc<dyn Fn(VeilidUpdate)>;
-//     } else {
 pub type UpdateCallback = Arc<dyn Fn(VeilidUpdate) + Send + Sync>;
-//     }
-// }
 
 struct ServicesContext {
     pub config: VeilidConfig,
diff --git a/veilid-core/src/intf/native/system.rs b/veilid-core/src/intf/native/system.rs
index e51ddb02..2963d4db 100644
--- a/veilid-core/src/intf/native/system.rs
+++ b/veilid-core/src/intf/native/system.rs
@@ -11,10 +11,10 @@ pub fn get_timestamp() -> u64 {
     }
 }
 
-pub fn get_timestamp_string() -> String {
-    let dt = chrono::Utc::now();
-    dt.time().format("%H:%M:%S.3f").to_string()
-}
+// pub fn get_timestamp_string() -> String {
+//     let dt = chrono::Utc::now();
+//     dt.time().format("%H:%M:%S.3f").to_string()
+// }
 
 pub fn random_bytes(dest: &mut [u8]) -> EyreResult<()> {
     let mut rng = rand::thread_rng();
@@ -83,26 +83,26 @@ where
     }
 }
 
-pub fn spawn_with_local_set<Out>(
-    future: impl Future<Output = Out> + Send + 'static,
-) -> MustJoinHandle<Out>
-where
-    Out: Send + 'static,
-{
-    cfg_if! {
-        if #[cfg(feature="rt-async-std")] {
-            spawn(future)
-        } else if #[cfg(feature="rt-tokio")] {
-            MustJoinHandle::new(tokio::task::spawn_blocking(move || {
-                let rt = tokio::runtime::Handle::current();
-                rt.block_on(async {
-                    let local = tokio::task::LocalSet::new();
-                    local.run_until(future).await
-                })
-            }))
-        }
-    }
-}
+// pub fn spawn_with_local_set<Out>(
+//     future: impl Future<Output = Out> + Send + 'static,
+// ) -> MustJoinHandle<Out>
+// where
+//     Out: Send + 'static,
+// {
+//     cfg_if! {
+//         if #[cfg(feature="rt-async-std")] {
+//             spawn(future)
+//         } else if #[cfg(feature="rt-tokio")] {
+//             MustJoinHandle::new(tokio::task::spawn_blocking(move || {
+//                 let rt = tokio::runtime::Handle::current();
+//                 rt.block_on(async {
+//                     let local = tokio::task::LocalSet::new();
+//                     local.run_until(future).await
+//                 })
+//             }))
+//         }
+//     }
+// }
 
 pub fn spawn_detached<Out>(future: impl Future<Output = Out> + Send + 'static)
 where
diff --git a/veilid-core/src/intf/wasm/system.rs b/veilid-core/src/intf/wasm/system.rs
index a56c50ce..5c93d416 100644
--- a/veilid-core/src/intf/wasm/system.rs
+++ b/veilid-core/src/intf/wasm/system.rs
@@ -1,11 +1,11 @@
 use super::utils;
 use crate::xx::*;
 use crate::*;
-use async_executors::{Bindgen, LocalSpawnHandleExt /*, SpawnHandleExt*/};
+use async_executors::{Bindgen, LocalSpawnHandleExt, SpawnHandleExt, Timer};
 use futures_util::future::{select, Either};
 use js_sys::*;
 use wasm_bindgen_futures::*;
-use web_sys::*;
+//use web_sys::*;
 
 #[wasm_bindgen]
 extern "C" {
@@ -26,17 +26,17 @@ pub fn get_timestamp() -> u64 {
     }
 }
 
-pub fn get_timestamp_string() -> String {
-    let date = Date::new_0();
-    let hours = Date::get_utc_hours(&date);
-    let minutes = Date::get_utc_minutes(&date);
-    let seconds = Date::get_utc_seconds(&date);
-    let milliseconds = Date::get_utc_milliseconds(&date);
-    format!(
-        "{:02}:{:02}:{:02}.{}",
-        hours, minutes, seconds, milliseconds
-    )
-}
+// pub fn get_timestamp_string() -> String {
+//     let date = Date::new_0();
+//     let hours = Date::get_utc_hours(&date);
+//     let minutes = Date::get_utc_minutes(&date);
+//     let seconds = Date::get_utc_seconds(&date);
+//     let milliseconds = Date::get_utc_milliseconds(&date);
+//     format!(
+//         "{:02}:{:02}:{:02}.{}",
+//         hours, minutes, seconds, milliseconds
+//     )
+// }
 
 pub fn random_bytes(dest: &mut [u8]) -> EyreResult<()> {
     let len = dest.len();
@@ -72,43 +72,21 @@ pub fn get_random_u64() -> u64 {
 }
 
 pub async fn sleep(millis: u32) {
-    if utils::is_browser() {
-        let wait_millis = if millis > u32::MAX {
-            i32::MAX
-        } else {
-            millis as i32
-        };
-        let promise = Promise::new(&mut |yes, _| {
-            let win = window().unwrap();
-            win.set_timeout_with_callback_and_timeout_and_arguments_0(&yes, wait_millis)
-                .unwrap();
-        });
-
-        JsFuture::from(promise).await.unwrap();
-    } else if utils::is_nodejs() {
-        let promise = Promise::new(&mut |yes, _| {
-            nodejs_global_set_timeout_with_callback_and_timeout_and_arguments_0(&yes, millis)
-                .unwrap();
-        });
-
-        JsFuture::from(promise).await.unwrap();
-    } else {
-        panic!("WASM requires browser or nodejs environment");
-    }
+    Bindgen.sleep(Duration::from_millis(millis.into())).await
 }
 
 pub fn system_boxed<'a, Out>(
-    future: impl Future<Output = Out> + 'a,
+    future: impl Future<Output = Out> + Send + 'a,
 ) -> SystemPinBoxFutureLifetime<'a, Out> {
     Box::pin(future)
 }
 
-pub fn spawn<Out>(future: impl Future<Output = Out> + 'static) -> MustJoinHandle<Out>
+pub fn spawn<Out>(future: impl Future<Output = Out> + Send + 'static) -> MustJoinHandle<Out>
 where
     Out: Send + 'static,
 {
     MustJoinHandle::new(Bindgen
-        .spawn_handle_local(future)
+        .spawn_handle(future)
         .expect("wasm-bindgen-futures spawn should never error out"))
 }
 
@@ -121,16 +99,16 @@ where
         .expect("wasm-bindgen-futures spawn_local should never error out"))
 }
 
-pub fn spawn_with_local_set<Out>(
-    future: impl Future<Output = Out> + 'static,
-) -> MustJoinHandle<Out>
-where
-    Out: Send + 'static,
-{
-    spawn(future)
-}
+// pub fn spawn_with_local_set<Out>(
+//     future: impl Future<Output = Out> + Send + 'static,
+// ) -> MustJoinHandle<Out>
+// where
+//     Out: Send + 'static,
+// {
+//     spawn(future)
+// }
 
-pub fn spawn_detached<Out>(future: impl Future<Output = Out> + 'static)
+pub fn spawn_detached<Out>(future: impl Future<Output = Out> + Send + 'static)
 where
     Out: Send + 'static,
 {
@@ -142,13 +120,13 @@ where
 
 pub fn interval<F, FUT>(freq_ms: u32, callback: F) -> SystemPinBoxFuture<()>
 where
-    F: Fn() -> FUT + 'static,
-    FUT: Future<Output = ()>,
+    F: Fn() -> FUT + Send + Sync + 'static,
+    FUT: Future<Output = ()> + Send,
 {
     let e = Eventual::new();
 
     let ie = e.clone();
-    let jh = spawn_local(Box::pin(async move {
+    let jh = spawn(Box::pin(async move {
         while timeout(freq_ms, ie.instance_clone(())).await.is_err() {
             callback().await;
         }
diff --git a/veilid-core/src/intf/wasm/table_store.rs b/veilid-core/src/intf/wasm/table_store.rs
index f83e38ef..2e0aaa03 100644
--- a/veilid-core/src/intf/wasm/table_store.rs
+++ b/veilid-core/src/intf/wasm/table_store.rs
@@ -13,6 +13,7 @@ struct TableStoreInner {
 pub struct TableStore {
     config: VeilidConfig,
     inner: Arc<Mutex<TableStoreInner>>,
+    async_lock: Arc<AsyncMutex<()>>,
 }
 
 impl TableStore {
@@ -25,14 +26,17 @@ impl TableStore {
         Self {
             config,
             inner: Arc::new(Mutex::new(Self::new_inner())),
+            async_lock: Arc::new(AsyncMutex::new(())),
         }
     }
 
     pub async fn init(&self) -> EyreResult<()> {
+        let _async_guard = self.async_lock.lock().await;
         Ok(())
     }
 
     pub async fn terminate(&self) {
+        let _async_guard = self.async_lock.lock().await;
         assert!(
             self.inner.lock().opened.len() == 0,
             "all open databases should have been closed"
@@ -66,18 +70,21 @@ impl TableStore {
     }
 
     pub async fn open(&self, name: &str, column_count: u32) -> EyreResult<TableDB> {
+        let _async_guard = self.async_lock.lock().await;
         let table_name = self.get_table_name(name)?;
 
-        let mut inner = self.inner.lock();        
-        if let Some(table_db_weak_inner) = inner.opened.get(&table_name) {
-            match TableDB::try_new_from_weak_inner(table_db_weak_inner.clone()) {
-                Some(tdb) => {
-                    return Ok(tdb);
-                }
-                None => {
-                    inner.opened.remove(&table_name);
-                }
-            };
+        {
+            let mut inner = self.inner.lock();        
+            if let Some(table_db_weak_inner) = inner.opened.get(&table_name) {
+                match TableDB::try_new_from_weak_inner(table_db_weak_inner.clone()) {
+                    Some(tdb) => {
+                        return Ok(tdb);
+                    }
+                    None => {
+                        inner.opened.remove(&table_name);
+                    }
+                };
+            }
         }
         let db = Database::open(table_name.clone(), column_count)
             .await
@@ -86,22 +93,28 @@ impl TableStore {
 
         let table_db = TableDB::new(table_name.clone(), self.clone(), db);
 
-        inner.opened.insert(table_name, table_db.weak_inner());
+        {
+            let mut inner = self.inner.lock();
+            inner.opened.insert(table_name, table_db.weak_inner());
+        }
 
         Ok(table_db)
     }
 
     pub async fn delete(&self, name: &str) -> EyreResult<bool> {
+        let _async_guard = self.async_lock.lock().await;
         trace!("TableStore::delete {}", name);
         let table_name = self.get_table_name(name)?;
         
-        let inner = self.inner.lock();
-        if inner.opened.contains_key(&table_name) {
-            trace!(
-                "TableStore::delete {}: Not deleting, still open.",
-                table_name
-            );
-            bail!("Not deleting table that is still opened");
+        {
+            let inner = self.inner.lock();
+            if inner.opened.contains_key(&table_name) {
+                trace!(
+                    "TableStore::delete {}: Not deleting, still open.",
+                    table_name
+                );
+                bail!("Not deleting table that is still opened");
+            }
         }
 
         if utils::is_nodejs() {
diff --git a/veilid-core/src/intf/wasm/utils/mod.rs b/veilid-core/src/intf/wasm/utils/mod.rs
index dc8be425..5a4f853f 100644
--- a/veilid-core/src/intf/wasm/utils/mod.rs
+++ b/veilid-core/src/intf/wasm/utils/mod.rs
@@ -44,39 +44,39 @@ pub fn is_browser() -> bool {
     res
 }
 
-pub fn is_browser_https() -> bool {
-    static CACHE: AtomicI8 = AtomicI8::new(-1);
-    let cache = CACHE.load(Ordering::Relaxed);
-    if cache != -1 {
-        return cache != 0;
-    }
+// pub fn is_browser_https() -> bool {
+//     static CACHE: AtomicI8 = AtomicI8::new(-1);
+//     let cache = CACHE.load(Ordering::Relaxed);
+//     if cache != -1 {
+//         return cache != 0;
+//     }
 
-    let res = js_sys::eval("window.location.protocol === 'https'")
-        .map(|res| res.is_truthy())
-        .unwrap_or_default();
+//     let res = js_sys::eval("window.location.protocol === 'https'")
+//         .map(|res| res.is_truthy())
+//         .unwrap_or_default();
 
-    CACHE.store(res as i8, Ordering::Relaxed);
+//     CACHE.store(res as i8, Ordering::Relaxed);
 
-    res
-}
+//     res
+// }
 
-pub fn node_require(module: &str) -> JsValue {
-    if !is_nodejs() {
-        return JsValue::UNDEFINED;
-    }
+// pub fn node_require(module: &str) -> JsValue {
+//     if !is_nodejs() {
+//         return JsValue::UNDEFINED;
+//     }
 
-    let mut home = env!("CARGO_MANIFEST_DIR");
-    if home.len() == 0 {
-        home = ".";
-    }
+//     let mut home = env!("CARGO_MANIFEST_DIR");
+//     if home.len() == 0 {
+//         home = ".";
+//     }
 
-    match js_sys::eval(format!("require(\"{}/{}\")", home, module).as_str()) {
-        Ok(v) => v,
-        Err(e) => {
-            panic!("node_require failed: {:?}", e);
-        }
-    }
-}
+//     match js_sys::eval(format!("require(\"{}/{}\")", home, module).as_str()) {
+//         Ok(v) => v,
+//         Err(e) => {
+//             panic!("node_require failed: {:?}", e);
+//         }
+//     }
+// }
 
 #[derive(ThisError, Debug, Clone, Eq, PartialEq)]
 #[error("JsValue error")]
diff --git a/veilid-core/src/network_manager/connection_manager.rs b/veilid-core/src/network_manager/connection_manager.rs
index cd0dcfe2..fdd32942 100644
--- a/veilid-core/src/network_manager/connection_manager.rs
+++ b/veilid-core/src/network_manager/connection_manager.rs
@@ -333,6 +333,7 @@ impl ConnectionManager {
 
     // Called by low-level network when any connection-oriented protocol connection appears
     // either from incoming connections.
+    #[cfg_attr(target_os = "wasm32", allow(dead_code))]
     pub(super) async fn on_accepted_protocol_network_connection(
         &self,
         conn: ProtocolNetworkConnection,
diff --git a/veilid-core/src/network_manager/wasm/protocol/mod.rs b/veilid-core/src/network_manager/wasm/protocol/mod.rs
index fe88d2e5..92734266 100644
--- a/veilid-core/src/network_manager/wasm/protocol/mod.rs
+++ b/veilid-core/src/network_manager/wasm/protocol/mod.rs
@@ -7,6 +7,7 @@ use std::io;
 
 #[derive(Debug)]
 pub enum ProtocolNetworkConnection {
+    #[allow(dead_code)]
     Dummy(DummyNetworkConnection),
     Ws(ws::WebsocketNetworkConnection),
     //WebRTC(wrtc::WebRTCNetworkConnection),
diff --git a/veilid-core/src/network_manager/wasm/protocol/ws.rs b/veilid-core/src/network_manager/wasm/protocol/ws.rs
index 2699f8fc..db23d0b6 100644
--- a/veilid-core/src/network_manager/wasm/protocol/ws.rs
+++ b/veilid-core/src/network_manager/wasm/protocol/ws.rs
@@ -2,9 +2,10 @@ use super::*;
 use futures_util::{SinkExt, StreamExt};
 use std::io;
 use ws_stream_wasm::*;
+use send_wrapper::*;
 
 struct WebsocketNetworkConnectionInner {
-    ws_meta: WsMeta,
+    _ws_meta: WsMeta,
     ws_stream: CloneStream<WsStream>,
 }
 
@@ -29,7 +30,7 @@ impl WebsocketNetworkConnection {
         Self {
             descriptor,
             inner: Arc::new(WebsocketNetworkConnectionInner {
-                ws_meta,
+                _ws_meta: ws_meta,
                 ws_stream: CloneStream::new(ws_stream),
             }),
         }
@@ -59,7 +60,7 @@ impl WebsocketNetworkConnection {
 
     #[instrument(level = "trace", err, skip(self), fields(ret.len))]
     pub async fn recv(&self) -> io::Result<Vec<u8>> {
-        let out = match self.inner.ws_stream.clone().next().await {
+        let out = match SendWrapper::new(self.inner.ws_stream.clone().next()).await {
             Some(WsMessage::Binary(v)) => v,
             Some(x) => {
                 bail_io_error_other!("Unexpected WS message type");
@@ -100,7 +101,8 @@ impl WebsocketProtocolHandler {
             bail_io_error_other!("invalid websocket url scheme");
         }
 
-        let (wsmeta, wsio) = WsMeta::connect(request, None).await.map_err(to_io)?;
+        let fut = spawn_local(WsMeta::connect(request, None));
+        let (wsmeta, wsio) = fut.await.map_err(to_io)?;
 
         // Make our connection descriptor
         Ok(ProtocolNetworkConnection::Ws(
diff --git a/veilid-core/src/receipt_manager.rs b/veilid-core/src/receipt_manager.rs
index f7ad684f..d046b7f4 100644
--- a/veilid-core/src/receipt_manager.rs
+++ b/veilid-core/src/receipt_manager.rs
@@ -15,57 +15,28 @@ pub enum ReceiptEvent {
     Cancelled,
 }
 
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        pub trait ReceiptCallback: 'static {
-            fn call(
-                &self,
-                event: ReceiptEvent,
-                receipt: Receipt,
-                returns_so_far: u32,
-                expected_returns: u32,
-            ) -> SystemPinBoxFuture<()>;
-        }
-        impl<T, F> ReceiptCallback for T
-        where
-            T: Fn(ReceiptEvent, Receipt, u32, u32) -> F + 'static,
-            F: Future<Output = ()> + 'static,
-        {
-            fn call(
-                &self,
-                event: ReceiptEvent,
-                receipt: Receipt,
-                returns_so_far: u32,
-                expected_returns: u32,
-            ) -> SystemPinBoxFuture<()> {
-                Box::pin(self(event, receipt, returns_so_far, expected_returns))
-            }
-        }
-    } else {
-        pub trait ReceiptCallback: Send + 'static {
-            fn call(
-                &self,
-                event: ReceiptEvent,
-                receipt: Receipt,
-                returns_so_far: u32,
-                expected_returns: u32,
-            ) -> SystemPinBoxFuture<()>;
-        }
-        impl<F, T> ReceiptCallback for T
-        where
-            T: Fn(ReceiptEvent, Receipt, u32, u32) -> F + Send + 'static,
-            F: Future<Output = ()> + Send + 'static
-        {
-            fn call(
-                &self,
-                event: ReceiptEvent,
-                receipt: Receipt,
-                returns_so_far: u32,
-                expected_returns: u32,
-            ) -> SystemPinBoxFuture<()> {
-                Box::pin(self(event, receipt, returns_so_far, expected_returns))
-            }
-        }
+pub trait ReceiptCallback: Send + 'static {
+    fn call(
+        &self,
+        event: ReceiptEvent,
+        receipt: Receipt,
+        returns_so_far: u32,
+        expected_returns: u32,
+    ) -> SystemPinBoxFuture<()>;
+}
+impl<F, T> ReceiptCallback for T
+where
+    T: Fn(ReceiptEvent, Receipt, u32, u32) -> F + Send + 'static,
+    F: Future<Output = ()> + Send + 'static,
+{
+    fn call(
+        &self,
+        event: ReceiptEvent,
+        receipt: Receipt,
+        returns_so_far: u32,
+        expected_returns: u32,
+    ) -> SystemPinBoxFuture<()> {
+        Box::pin(self(event, receipt, returns_so_far, expected_returns))
     }
 }
 
diff --git a/veilid-core/src/veilid_api/mod.rs b/veilid-core/src/veilid_api/mod.rs
index 52db566f..c911b294 100644
--- a/veilid-core/src/veilid_api/mod.rs
+++ b/veilid-core/src/veilid_api/mod.rs
@@ -1593,15 +1593,9 @@ pub struct PeerStats {
     pub status: Option<NodeStatus>,    // Last known node status
 }
 
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        pub type ValueChangeCallback =
-            Arc<dyn Fn(ValueKey, Vec<u8>) -> SystemPinBoxFuture<()> + 'static>;
-    } else {
-        pub type ValueChangeCallback =
-            Arc<dyn Fn(ValueKey, Vec<u8>) -> SystemPinBoxFuture<()> + Send + Sync + 'static>;
-    }
-}
+pub type ValueChangeCallback =
+    Arc<dyn Fn(ValueKey, Vec<u8>) -> SystemPinBoxFuture<()> + Send + Sync + 'static>;
+
 /////////////////////////////////////////////////////////////////////////////////////////////////////
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
diff --git a/veilid-core/src/veilid_config.rs b/veilid-core/src/veilid_config.rs
index 304cb51c..ac8df820 100644
--- a/veilid-core/src/veilid_config.rs
+++ b/veilid-core/src/veilid_config.rs
@@ -3,16 +3,8 @@ use crate::*;
 use serde::*;
 
 ////////////////////////////////////////////////////////////////////////////////////////////////
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        pub type ConfigCallbackReturn = Result<Box<dyn core::any::Any>, VeilidAPIError>;
-        pub type ConfigCallback = Arc<dyn Fn(String) -> ConfigCallbackReturn>;
-
-    } else {
-        pub type ConfigCallbackReturn = Result<Box<dyn core::any::Any + Send>, VeilidAPIError>;
-        pub type ConfigCallback = Arc<dyn Fn(String) -> ConfigCallbackReturn + Send + Sync>;
-    }
-}
+pub type ConfigCallbackReturn = Result<Box<dyn core::any::Any + Send>, VeilidAPIError>;
+pub type ConfigCallback = Arc<dyn Fn(String) -> ConfigCallbackReturn + Send + Sync>;
 
 #[derive(Default, Debug, Clone, Serialize, Deserialize)]
 pub struct VeilidConfigHTTPS {
diff --git a/veilid-core/src/xx/mod.rs b/veilid-core/src/xx/mod.rs
index 434a926a..a461c74b 100644
--- a/veilid-core/src/xx/mod.rs
+++ b/veilid-core/src/xx/mod.rs
@@ -69,8 +69,8 @@ cfg_if! {
         pub use async_lock::Mutex as AsyncMutex;
         pub use async_lock::MutexGuard as AsyncMutexGuard;
         pub use no_std_net::{ SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs, IpAddr, Ipv4Addr, Ipv6Addr };
-        pub type SystemPinBoxFuture<T> = PinBox<dyn Future<Output = T> + 'static>;
-        pub type SystemPinBoxFutureLifetime<'a, T> = PinBox<dyn Future<Output = T> + 'a>;
+        pub type SystemPinBoxFuture<T> = PinBox<dyn Future<Output = T> + Send + 'static>;
+        pub type SystemPinBoxFutureLifetime<'a, T> = PinBox<dyn Future<Output = T> + Send + 'a>;
         pub use async_executors::JoinHandle as LowLevelJoinHandle;
     } else {
         pub use std::string::String;
diff --git a/veilid-core/src/xx/must_join_single_future.rs b/veilid-core/src/xx/must_join_single_future.rs
index 4687fd24..8830c1d3 100644
--- a/veilid-core/src/xx/must_join_single_future.rs
+++ b/veilid-core/src/xx/must_join_single_future.rs
@@ -125,88 +125,81 @@ where
     }
 
     // Possibly spawn the future possibly returning the value of the last execution
-    cfg_if! {
-        if #[cfg(target_arch = "wasm32")] {
-            pub async fn single_spawn(
-                &self,
-                future: impl Future<Output = T> + 'static,
-            ) -> Result<(Option<T>,bool), ()> {
-                let mut out: Option<T> = None;
+    pub async fn single_spawn_local(
+        &self,
+        future: impl Future<Output = T> + 'static,
+    ) -> Result<(Option<T>, bool), ()> {
+        let mut out: Option<T> = None;
 
-                // See if we have a result we can return
-                let maybe_jh = match self.try_lock() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        // If we are already polling somewhere else, don't hand back a result
-                        return Err(());
-                    }
-                };
-                let mut run = true;
+        // See if we have a result we can return
+        let maybe_jh = match self.try_lock() {
+            Ok(v) => v,
+            Err(_) => {
+                // If we are already polling somewhere else, don't hand back a result
+                return Err(());
+            }
+        };
+        let mut run = true;
 
-                if maybe_jh.is_some() {
-                    let mut jh = maybe_jh.unwrap();
+        if maybe_jh.is_some() {
+            let mut jh = maybe_jh.unwrap();
 
-                    // See if we finished, if so, return the value of the last execution
-                    if let Poll::Ready(r) = poll!(&mut jh) {
-                        out = Some(r);
-                        // Task finished, unlock with a new task
-                    } else {
-                        // Still running, don't run again, unlock with the current join handle
-                        run = false;
-                        self.unlock(Some(jh));
-                    }
-                }
-
-                // Run if we should do that
-                if run {
-                    self.unlock(Some(intf::spawn_local(future)));
-                }
-
-                // Return the prior result if we have one
-                Ok((out, run))
+            // See if we finished, if so, return the value of the last execution
+            if let Poll::Ready(r) = poll!(&mut jh) {
+                out = Some(r);
+                // Task finished, unlock with a new task
+            } else {
+                // Still running, don't run again, unlock with the current join handle
+                run = false;
+                self.unlock(Some(jh));
             }
         }
+
+        // Run if we should do that
+        if run {
+            self.unlock(Some(intf::spawn_local(future)));
+        }
+
+        // Return the prior result if we have one
+        Ok((out, run))
     }
 }
-cfg_if! {
-    if #[cfg(not(target_arch = "wasm32"))] {
-        impl<T> MustJoinSingleFuture<T>
-        where
-            T: 'static + Send,
-        {
-            pub async fn single_spawn(
-                &self,
-                future: impl Future<Output = T> + Send + 'static,
-            ) -> Result<(Option<T>, bool), ()> {
-                let mut out: Option<T> = None;
-                // See if we have a result we can return
-                let maybe_jh = match self.try_lock() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        // If we are already polling somewhere else, don't hand back a result
-                        return Err(());
-                    }
-                };
-                let mut run = true;
-                if maybe_jh.is_some() {
-                    let mut jh = maybe_jh.unwrap();
-                    // See if we finished, if so, return the value of the last execution
-                    if let Poll::Ready(r) = poll!(&mut jh) {
-                        out = Some(r);
-                        // Task finished, unlock with a new task
-                    } else {
-                        // Still running, don't run again, unlock with the current join handle
-                        run = false;
-                        self.unlock(Some(jh));
-                    }
-                }
-                // Run if we should do that
-                if run {
-                    self.unlock(Some(intf::spawn(future)));
-                }
-                // Return the prior result if we have one
-                Ok((out, run))
+
+impl<T> MustJoinSingleFuture<T>
+where
+    T: 'static + Send,
+{
+    pub async fn single_spawn(
+        &self,
+        future: impl Future<Output = T> + Send + 'static,
+    ) -> Result<(Option<T>, bool), ()> {
+        let mut out: Option<T> = None;
+        // See if we have a result we can return
+        let maybe_jh = match self.try_lock() {
+            Ok(v) => v,
+            Err(_) => {
+                // If we are already polling somewhere else, don't hand back a result
+                return Err(());
+            }
+        };
+        let mut run = true;
+        if maybe_jh.is_some() {
+            let mut jh = maybe_jh.unwrap();
+            // See if we finished, if so, return the value of the last execution
+            if let Poll::Ready(r) = poll!(&mut jh) {
+                out = Some(r);
+                // Task finished, unlock with a new task
+            } else {
+                // Still running, don't run again, unlock with the current join handle
+                run = false;
+                self.unlock(Some(jh));
             }
         }
+        // Run if we should do that
+        if run {
+            self.unlock(Some(intf::spawn(future)));
+        }
+        // Return the prior result if we have one
+        Ok((out, run))
     }
 }
diff --git a/veilid-core/src/xx/tick_task.rs b/veilid-core/src/xx/tick_task.rs
index 1b8ed84d..9ac821d1 100644
--- a/veilid-core/src/xx/tick_task.rs
+++ b/veilid-core/src/xx/tick_task.rs
@@ -3,23 +3,13 @@ use crate::*;
 use core::sync::atomic::{AtomicU64, Ordering};
 use once_cell::sync::OnceCell;
 
-cfg_if! {
-    if #[cfg(target_arch = "wasm32")] {
-        type TickTaskRoutine<E> =
-            dyn Fn(StopToken, u64, u64) -> PinBoxFuture<Result<(), E>> + 'static;
-    } else {
-        type TickTaskRoutine<E> =
-            dyn Fn(StopToken, u64, u64) -> SendPinBoxFuture<Result<(), E>> + Send + Sync + 'static;
-    }
-}
+type TickTaskRoutine<E> =
+    dyn Fn(StopToken, u64, u64) -> SendPinBoxFuture<Result<(), E>> + Send + Sync + 'static;
 
 /// Runs a single-future background processing task, attempting to run it once every 'tick period' microseconds.
 /// If the prior tick is still running, it will allow it to finish, and do another tick when the timer comes around again.
 /// One should attempt to make tasks short-lived things that run in less than the tick period if you want things to happen with regular periodicity.
-pub struct TickTask<
-    #[cfg(target_arch = "wasm32")] E: 'static,
-    #[cfg(not(target_arch = "wasm32"))] E: Send + 'static,
-> {
+pub struct TickTask<E: Send + 'static> {
     last_timestamp_us: AtomicU64,
     tick_period_us: u64,
     routine: OnceCell<Box<TickTaskRoutine<E>>>,
@@ -27,11 +17,7 @@ pub struct TickTask<
     single_future: MustJoinSingleFuture<Result<(), E>>,
 }
 
-impl<
-        #[cfg(target_arch = "wasm32")] E: 'static,
-        #[cfg(not(target_arch = "wasm32"))] E: Send + 'static,
-    > TickTask<E>
-{
+impl<E: Send + 'static> TickTask<E> {
     pub fn new_us(tick_period_us: u64) -> Self {
         Self {
             last_timestamp_us: AtomicU64::new(0),
diff --git a/veilid-core/src/xx/tools.rs b/veilid-core/src/xx/tools.rs
index c1f12266..8ad0cba2 100644
--- a/veilid-core/src/xx/tools.rs
+++ b/veilid-core/src/xx/tools.rs
@@ -167,7 +167,7 @@ pub fn listen_address_to_socket_addrs(listen_address: &str) -> EyreResult<Vec<So
         cfg_if! {
             if #[cfg(target_arch = "wasm32")] {
                 use core::str::FromStr;
-                vec![SocketAddr::from_str(listen_address).wrap_err("Unable to parse address")?]
+                vec![SocketAddr::from_str(listen_address).map_err(|e| io_error_other!(e)).wrap_err("Unable to parse address")?]
             } else {
                 listen_address
                     .to_socket_addrs()