diff --git a/examples/counter/Cargo.toml b/examples/counter/Cargo.toml
index db0452811..54d5c4de1 100644
--- a/examples/counter/Cargo.toml
+++ b/examples/counter/Cargo.toml
@@ -18,4 +18,4 @@ gloo-timers = { version = "0.3.0", features = ["futures"] }
 [dev-dependencies]
 wasm-bindgen = "0.2.93"
 wasm-bindgen-test = "0.3.42"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
diff --git a/examples/counter_url_query/Cargo.toml b/examples/counter_url_query/Cargo.toml
index 1a8a5ff22..33b02b1b6 100644
--- a/examples/counter_url_query/Cargo.toml
+++ b/examples/counter_url_query/Cargo.toml
@@ -15,4 +15,4 @@ console_error_panic_hook = "0.1.7"
 [dev-dependencies]
 wasm-bindgen = "0.2.93"
 wasm-bindgen-test = "0.3.42"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
diff --git a/examples/counter_without_macros/Cargo.toml b/examples/counter_without_macros/Cargo.toml
index e0dc6133b..876034a85 100644
--- a/examples/counter_without_macros/Cargo.toml
+++ b/examples/counter_without_macros/Cargo.toml
@@ -20,4 +20,4 @@ rstest = "0.22.0"
 
 [dev-dependencies.web-sys]
 features = ["HtmlElement", "XPathResult"]
-version = "0.3.69"
+version = "0.3.70"
diff --git a/examples/counters/Cargo.toml b/examples/counters/Cargo.toml
index 29ec207f5..33c41d58b 100644
--- a/examples/counters/Cargo.toml
+++ b/examples/counters/Cargo.toml
@@ -10,4 +10,4 @@ console_error_panic_hook = "0.1.7"
 [dev-dependencies]
 wasm-bindgen-test = "0.3.42"
 wasm-bindgen = "0.2.93"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
diff --git a/examples/directives/Cargo.toml b/examples/directives/Cargo.toml
index 54d55f7e6..c33b157ee 100644
--- a/examples/directives/Cargo.toml
+++ b/examples/directives/Cargo.toml
@@ -8,9 +8,9 @@ leptos = { path = "../../leptos", features = ["csr"] }
 log = "0.4.22"
 console_log = "1.0"
 console_error_panic_hook = "0.1.7"
-web-sys = { version = "0.3.69", features = ["Clipboard", "Navigator"] }
+web-sys = { version = "0.3.70", features = ["Clipboard", "Navigator"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.42"
 wasm-bindgen = "0.2.93"
-web-sys = { version = "0.3.69", features = ["NodeList"] }
+web-sys = { version = "0.3.70", features = ["NodeList"] }
\ No newline at end of file
diff --git a/examples/directives/src/lib.rs b/examples/directives/src/lib.rs
index f9c34d03a..adae27c22 100644
--- a/examples/directives/src/lib.rs
+++ b/examples/directives/src/lib.rs
@@ -24,11 +24,7 @@ pub fn copy_to_clipboard(el: Element, content: &str) {
         evt.prevent_default();
         evt.stop_propagation();
 
-        let _ = window()
-            .navigator()
-            .clipboard()
-            .expect("navigator.clipboard to be available")
-            .write_text(&content);
+        let _ = window().navigator().clipboard().write_text(&content);
 
         el.set_inner_html(&format!("Copied \"{}\"", &content));
     });
diff --git a/examples/hackernews/Cargo.toml b/examples/hackernews/Cargo.toml
index d955b798e..58ed6caae 100644
--- a/examples/hackernews/Cargo.toml
+++ b/examples/hackernews/Cargo.toml
@@ -26,7 +26,7 @@ serde = { version = "1.0", features = ["derive"] }
 gloo-net = { version = "0.6.0", features = ["http"] }
 reqwest = { version = "0.12.5", features = ["json"] }
 wasm-bindgen = "0.2.93"
-web-sys = { version = "0.3.69", features = ["AbortController", "AbortSignal"] }
+web-sys = { version = "0.3.70", features = ["AbortController", "AbortSignal"] }
 send_wrapper = "0.6.0"
 
 [features]
diff --git a/examples/hackernews_axum/Cargo.toml b/examples/hackernews_axum/Cargo.toml
index 72c37c9ac..4f6446564 100644
--- a/examples/hackernews_axum/Cargo.toml
+++ b/examples/hackernews_axum/Cargo.toml
@@ -25,7 +25,7 @@ tower = { version = "0.4.13", optional = true }
 tower-http = { version = "0.5.2", features = ["fs"], optional = true }
 tokio = { version = "1.39", features = ["full"], optional = true }
 http = { version = "1.1", optional = true }
-web-sys = { version = "0.3.69", features = ["AbortController", "AbortSignal"] }
+web-sys = { version = "0.3.70", features = ["AbortController", "AbortSignal"] }
 wasm-bindgen = "0.2.93"
 send_wrapper = { version = "0.6.0", features = ["futures"] }
 
diff --git a/examples/hackernews_islands_axum/Cargo.toml b/examples/hackernews_islands_axum/Cargo.toml
index f1071d137..d6bd2c692 100644
--- a/examples/hackernews_islands_axum/Cargo.toml
+++ b/examples/hackernews_islands_axum/Cargo.toml
@@ -29,7 +29,7 @@ tower-http = { version = "0.5.2", features = [
 ], optional = true }
 tokio = { version = "1.39", features = ["full"], optional = true }
 http = { version = "1.1", optional = true }
-web-sys = { version = "0.3.69", features = ["AbortController", "AbortSignal"] }
+web-sys = { version = "0.3.70", features = ["AbortController", "AbortSignal"] }
 wasm-bindgen = "0.2.93"
 lazy_static = "1.5"
 rust-embed = { version = "8.5", features = [
diff --git a/examples/hackernews_js_fetch/Cargo.toml b/examples/hackernews_js_fetch/Cargo.toml
index c07f9d196..53fb419a0 100644
--- a/examples/hackernews_js_fetch/Cargo.toml
+++ b/examples/hackernews_js_fetch/Cargo.toml
@@ -26,7 +26,7 @@ reqwest = { version = "0.12.5", features = ["json"] }
 axum = { version = "0.7.5", default-features = false, optional = true }
 tower = { version = "0.4.13", optional = true }
 http = { version = "1.1", optional = true }
-web-sys = { version = "0.3.69", features = [
+web-sys = { version = "0.3.70", features = [
   "AbortController",
   "AbortSignal",
   "Request",
diff --git a/examples/parent_child/Cargo.toml b/examples/parent_child/Cargo.toml
index 6a051e770..f3137302e 100644
--- a/examples/parent_child/Cargo.toml
+++ b/examples/parent_child/Cargo.toml
@@ -12,4 +12,4 @@ leptos = { path = "../../leptos", features = ["csr"] }
 console_log = "1.0"
 log = "0.4.22"
 console_error_panic_hook = "0.1.7"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
diff --git a/examples/portal/Cargo.toml b/examples/portal/Cargo.toml
index 698d1d642..872b06899 100644
--- a/examples/portal/Cargo.toml
+++ b/examples/portal/Cargo.toml
@@ -13,4 +13,4 @@ wasm-bindgen = "0.2.93"
 [dev-dependencies]
 wasm-bindgen-test = "0.3.42"
 wasm-bindgen = "0.2.93"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
\ No newline at end of file
diff --git a/examples/server_fns_axum/Cargo.toml b/examples/server_fns_axum/Cargo.toml
index 47942e61c..c8f691a81 100644
--- a/examples/server_fns_axum/Cargo.toml
+++ b/examples/server_fns_axum/Cargo.toml
@@ -32,7 +32,7 @@ thiserror = "1.0"
 wasm-bindgen = "0.2.93"
 serde_toml = "0.0.1"
 toml = "0.8.19"
-web-sys = { version = "0.3.69", features = ["FileList", "File"] }
+web-sys = { version = "0.3.70", features = ["FileList", "File"] }
 strum = { version = "0.26.3", features = ["strum_macros", "derive"] }
 notify = { version = "6.1", optional = true }
 pin-project-lite = "0.2.14"
diff --git a/examples/stores/Cargo.toml b/examples/stores/Cargo.toml
index f20828689..5d17c320d 100644
--- a/examples/stores/Cargo.toml
+++ b/examples/stores/Cargo.toml
@@ -17,4 +17,4 @@ console_error_panic_hook = "0.1.7"
 [dev-dependencies]
 wasm-bindgen = "0.2.93"
 wasm-bindgen-test = "0.3.42"
-web-sys = "0.3.69"
+web-sys = "0.3.70"
diff --git a/examples/timer/Cargo.toml b/examples/timer/Cargo.toml
index 34421a80b..175fcfa2e 100644
--- a/examples/timer/Cargo.toml
+++ b/examples/timer/Cargo.toml
@@ -15,7 +15,7 @@ console_error_panic_hook = "0.1.7"
 wasm-bindgen = "0.2.93"
 
 [dependencies.web-sys]
-version = "0.3.69"
+version = "0.3.70"
 features = ["Window"]
 
 [dev-dependencies]
diff --git a/examples/todomvc/Cargo.toml b/examples/todomvc/Cargo.toml
index d2f9aaecf..488044070 100644
--- a/examples/todomvc/Cargo.toml
+++ b/examples/todomvc/Cargo.toml
@@ -13,7 +13,7 @@ console_error_panic_hook = "0.1.7"
 uuid = { version = "1.10", features = ["v4", "js", "serde"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-web-sys = { version = "0.3.69", features = ["Storage"] }
+web-sys = { version = "0.3.70", features = ["Storage"] }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.42"
diff --git a/leptos/Cargo.toml b/leptos/Cargo.toml
index a77189fec..e96a49124 100644
--- a/leptos/Cargo.toml
+++ b/leptos/Cargo.toml
@@ -40,7 +40,7 @@ server_fn = { workspace = true, features = [
   "browser",
   "url",
 ] }
-web-sys = { version = "0.3.69", features = [
+web-sys = { version = "0.3.70", features = [
   "ShadowRoot",
   "ShadowRootInit",
   "ShadowRootMode",
diff --git a/leptos_dom/Cargo.toml b/leptos_dom/Cargo.toml
index d1b29a762..840a964bb 100644
--- a/leptos_dom/Cargo.toml
+++ b/leptos_dom/Cargo.toml
@@ -21,7 +21,7 @@ wasm-bindgen = "0.2.93"
 leptos = { path = "../leptos" }
 
 [dependencies.web-sys]
-version = "0.3.69"
+version = "0.3.70"
 features = ["Location"]
 
 [features]
diff --git a/meta/Cargo.toml b/meta/Cargo.toml
index 03474125a..9b819e33a 100644
--- a/meta/Cargo.toml
+++ b/meta/Cargo.toml
@@ -19,7 +19,7 @@ wasm-bindgen = "0.2.93"
 futures = "0.3.30"
 
 [dependencies.web-sys]
-version = "0.3.69"
+version = "0.3.70"
 features = ["HtmlLinkElement", "HtmlMetaElement", "HtmlTitleElement"]
 
 [features]
diff --git a/reactive_graph/Cargo.toml b/reactive_graph/Cargo.toml
index 61d47669c..ab97e7d5e 100644
--- a/reactive_graph/Cargo.toml
+++ b/reactive_graph/Cargo.toml
@@ -25,7 +25,7 @@ async-lock = "3.4.0"
 send_wrapper = { version = "0.6.0", features = ["futures"] }
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dependencies]
-web-sys = "0.3.69"
+web-sys = "0.3.70"
 
 [dev-dependencies]
 tokio = { version = "1.39", features = ["rt-multi-thread", "macros"] }
diff --git a/router/Cargo.toml b/router/Cargo.toml
index 2c5475e86..204729b15 100644
--- a/router/Cargo.toml
+++ b/router/Cargo.toml
@@ -30,7 +30,7 @@ percent-encoding = { version = "2.3", optional = true }
 gloo-net = "0.6.0"
 
 [dependencies.web-sys]
-version = "0.3.69"
+version = "0.3.70"
 features = [
   "Document",
   "Window",
diff --git a/server_fn/Cargo.toml b/server_fn/Cargo.toml
index 7022cf723..673f49429 100644
--- a/server_fn/Cargo.toml
+++ b/server_fn/Cargo.toml
@@ -63,7 +63,7 @@ js-sys = { version = "0.3.69", optional = true }
 wasm-bindgen = { version = "0.2.93", optional = true }
 wasm-bindgen-futures = { version = "0.4.42", optional = true }
 wasm-streams = { version = "0.4.0", optional = true }
-web-sys = { version = "0.3.69", optional = true, features = [
+web-sys = { version = "0.3.70", optional = true, features = [
   "console",
   "ReadableStream",
   "ReadableStreamDefaultReader",
diff --git a/server_fn/src/request/browser.rs b/server_fn/src/request/browser.rs
index f6120402c..550b898cd 100644
--- a/server_fn/src/request/browser.rs
+++ b/server_fn/src/request/browser.rs
@@ -237,14 +237,16 @@ fn streaming_request(
         Ok(data) as Result<JsValue, JsValue>
     }))
     .into_raw();
+
     let headers = Headers::new()?;
     headers.append("Content-Type", content_type)?;
     headers.append("Accept", accepts)?;
-    let mut init = RequestInit::new();
-    init.headers(&headers)
-        .method("POST")
-        .signal(abort_signal.as_ref())
-        .body(Some(&stream));
+
+    let init = RequestInit::new();
+    init.set_headers(&headers);
+    init.set_method("POST");
+    init.set_signal(abort_signal.as_ref());
+    init.set_body(&stream);
 
     // Chrome requires setting `duplex: "half"` on streaming requests
     Reflect::set(
diff --git a/tachys/Cargo.toml b/tachys/Cargo.toml
index d6dc3c696..efe19d82c 100644
--- a/tachys/Cargo.toml
+++ b/tachys/Cargo.toml
@@ -25,7 +25,7 @@ pin-project-lite = "0.2.14"
 wasm-bindgen = "0.2.93"
 html-escape = "0.2.13"
 js-sys = "0.3.69"
-web-sys = { version = "0.3.69", features = [
+web-sys = { version = "0.3.70", features = [
   "Window",
   "Document",
   "HtmlElement",