diff --git a/cli/build.rs b/cli/build.rs
index e4df856f79..9068723d43 100644
--- a/cli/build.rs
+++ b/cli/build.rs
@@ -1,9 +1,7 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use std::cell::RefCell;
 use std::env;
 use std::path::PathBuf;
-use std::rc::Rc;
 
 use deno_core::snapshot_util::*;
 use deno_core::Extension;
@@ -122,15 +120,15 @@ mod ts {
       "00_typescript.js",
       "99_main_compiler.js",
     ],
-    config = {
+    options = {
       op_crate_libs: HashMap<&'static str, PathBuf>,
       build_libs: Vec<&'static str>,
       path_dts: PathBuf,
     },
-    state = |state, op_crate_libs, build_libs, path_dts| {
-      state.put(op_crate_libs);
-      state.put(build_libs);
-      state.put(path_dts);
+    state = |state, options| {
+      state.put(options.op_crate_libs);
+      state.put(options.build_libs);
+      state.put(options.path_dts);
     },
   );
 
@@ -362,7 +360,7 @@ fn create_cli_snapshot(snapshot_path: PathBuf) {
     deno_tls::deno_tls::init_ops(),
     deno_napi::deno_napi::init_ops::<PermissionsContainer>(),
     deno_http::deno_http::init_ops(),
-    deno_io::deno_io::init_ops(Rc::new(RefCell::new(Some(Default::default())))),
+    deno_io::deno_io::init_ops(Default::default()),
     deno_fs::deno_fs::init_ops::<PermissionsContainer>(false),
     deno_flash::deno_flash::init_ops::<PermissionsContainer>(false), // No --unstable
     deno_node::deno_node_loading::init_ops::<PermissionsContainer>(None), // No --unstable.
diff --git a/cli/lsp/tsc.rs b/cli/lsp/tsc.rs
index 910d136913..91eb6e24b5 100644
--- a/cli/lsp/tsc.rs
+++ b/cli/lsp/tsc.rs
@@ -2834,13 +2834,13 @@ deno_core::extension!(deno_tsc,
     op_script_names,
     op_script_version,
   ],
-  config = {
+  options = {
     performance: Arc<Performance>
   },
-  state = |state, performance| {
+  state = |state, options| {
     state.put(State::new(
       Arc::new(StateSnapshot::default()),
-      performance,
+      options.performance,
     ));
   },
 );
diff --git a/cli/ops/bench.rs b/cli/ops/bench.rs
index 7bd3f988a2..6fa9edee88 100644
--- a/cli/ops/bench.rs
+++ b/cli/ops/bench.rs
@@ -30,13 +30,13 @@ deno_core::extension!(deno_bench,
     op_dispatch_bench_event,
     op_bench_now,
   ],
-  config = {
+  options = {
     sender: UnboundedSender<BenchEvent>,
     filter: TestFilter,
   },
-  state = |state, sender, filter| {
-    state.put(sender);
-    state.put(filter);
+  state = |state, options| {
+    state.put(options.sender);
+    state.put(options.filter);
   },
 );
 
diff --git a/cli/ops/mod.rs b/cli/ops/mod.rs
index 562aa86492..c12409514d 100644
--- a/cli/ops/mod.rs
+++ b/cli/ops/mod.rs
@@ -15,11 +15,11 @@ pub fn cli_exts(ps: ProcState) -> Vec<Extension> {
 
 deno_core::extension!(deno_cli,
   ops = [op_npm_process_state],
-  config = {
+  options = {
     ps: ProcState,
   },
-  state = |state, ps| {
-    state.put(ps);
+  state = |state, options| {
+    state.put(options.ps);
   },
 );
 
diff --git a/cli/ops/testing.rs b/cli/ops/testing.rs
index f32e961479..0849f1c7a0 100644
--- a/cli/ops/testing.rs
+++ b/cli/ops/testing.rs
@@ -34,15 +34,15 @@ deno_core::extension!(deno_test,
     op_dispatch_test_event,
     op_tests_should_stop,
   ],
-  config = {
+  options = {
     sender: TestEventSender,
     fail_fast_tracker: FailFastTracker,
     filter: TestFilter,
   },
-  state = |state, sender, fail_fast_tracker, filter| {
-    state.put(sender);
-    state.put(fail_fast_tracker);
-    state.put(filter);
+  state = |state, options| {
+    state.put(options.sender);
+    state.put(options.fail_fast_tracker);
+    state.put(options.filter);
   },
 );
 
diff --git a/cli/tsc/mod.rs b/cli/tsc/mod.rs
index 387fd3aa16..45589780ff 100644
--- a/cli/tsc/mod.rs
+++ b/cli/tsc/mod.rs
@@ -41,7 +41,6 @@ use std::collections::HashMap;
 use std::fmt;
 use std::path::Path;
 use std::path::PathBuf;
-use std::rc::Rc;
 use std::sync::Arc;
 
 mod diagnostics;
@@ -829,19 +828,19 @@ pub fn exec(request: Request) -> Result<Response, AnyError> {
 
   deno_core::extension!(deno_cli_tsc,
     ops_fn = deno_ops,
-    config = {
-      request: Rc<Request>,
+    options = {
+      request: Request,
       root_map: HashMap<String, Url>,
       remapped_specifiers: HashMap<String, Url>,
     },
-    state = |state, request, root_map, remapped_specifiers| {
+    state = |state, options| {
       state.put(State::new(
-        request.graph.clone(),
-        request.hash_data.clone(),
-        request.maybe_npm_resolver.clone(),
-        request.maybe_tsbuildinfo.clone(),
-        root_map,
-        remapped_specifiers,
+        options.request.graph,
+        options.request.hash_data,
+        options.request.maybe_npm_resolver,
+        options.request.maybe_tsbuildinfo,
+        options.root_map,
+        options.remapped_specifiers,
         std::env::current_dir()
           .context("Unable to get CWD")
           .unwrap(),
@@ -861,7 +860,7 @@ pub fn exec(request: Request) -> Result<Response, AnyError> {
   let mut runtime = JsRuntime::new(RuntimeOptions {
     startup_snapshot: Some(compiler_snapshot()),
     extensions: vec![deno_cli_tsc::init_ops(
-      Rc::new(request),
+      request,
       root_map,
       remapped_specifiers,
     )],
diff --git a/core/extensions.rs b/core/extensions.rs
index 71b9cdb4f5..53ce57be8b 100644
--- a/core/extensions.rs
+++ b/core/extensions.rs
@@ -42,7 +42,7 @@ pub struct ExtensionFileSource {
 }
 pub type OpFnRef = v8::FunctionCallback;
 pub type OpMiddlewareFn = dyn Fn(OpDecl) -> OpDecl;
-pub type OpStateFn = dyn Fn(&mut OpState);
+pub type OpStateFn = dyn FnOnce(&mut OpState);
 pub type OpEventLoopFn = dyn Fn(Rc<RefCell<OpState>>, &mut Context) -> bool;
 
 pub struct OpDecl {
@@ -164,7 +164,7 @@ macro_rules! extension {
     $(, esm = [ $( dir $dir_esm:literal , )? $( $esm:literal ),* $(,)? ] )?
     $(, esm_setup_script = $esm_setup_script:expr )?
     $(, js = [ $( dir $dir_js:literal , )? $( $js:literal ),* $(,)? ] )?
-    $(, config = { $( $config_id:ident : $config_type:ty ),* $(,)? } )?
+    $(, options = { $( $options_id:ident : $options_type:ty ),* $(,)? } )?
     $(, middleware = $middleware_fn:expr )?
     $(, state = $state_fn:expr )?
     $(, event_loop_middleware = $event_loop_middleware_fn:ident )?
@@ -227,13 +227,13 @@ macro_rules! extension {
       // Includes the state and middleware functions, if defined.
       #[inline(always)]
       #[allow(unused_variables)]
-      fn with_state_and_middleware$( <  $( $param : $type + Clone + 'static ),+ > )?(ext: &mut $crate::ExtensionBuilder, $( $( $config_id : $config_type ),* )? ) {
+      fn with_state_and_middleware$( <  $( $param : $type + Clone + 'static ),+ > )?(ext: &mut $crate::ExtensionBuilder, $( $( $options_id : $options_type ),* )? ) {
         #[allow(unused_variables)]
-        let config = $crate::extension!(! __config__ $( parameters = [ $( $param : $type ),* ] )? $( config = { $( $config_id : $config_type ),* } )? );
+        let config = $crate::extension!(! __config__ $( parameters = [ $( $param : $type ),* ] )? $( config = { $( $options_id : $options_type ),* } )? );
 
         $(
           ext.state(move |state: &mut $crate::OpState| {
-            config.clone().call_callback(state, $state_fn)
+            config.call_callback(state, $state_fn)
           });
         )?
 
@@ -259,57 +259,78 @@ macro_rules! extension {
         Self::with_js(&mut ext);
         Self::with_ops $( ::<($( $param ),+)> )?(&mut ext);
         Self::with_customizer(&mut ext);
-        ext.build()
+        ext.take()
       }
 
       #[allow(dead_code)]
-      pub fn init_ops_and_esm $( <  $( $param : $type + Clone + 'static ),+ > )? ( $( $( $config_id : $config_type ),* )? ) -> $crate::Extension {
+      pub fn init_ops_and_esm $( <  $( $param : $type + Clone + 'static ),+ > )? ( $( $( $options_id : $options_type ),* )? ) -> $crate::Extension {
         let mut ext = Self::ext();
         // If esm or JS was specified, add JS files
         Self::with_js(&mut ext);
         Self::with_ops $( ::<($( $param ),+)> )?(&mut ext);
-        Self::with_state_and_middleware $( ::<($( $param ),+)> )?(&mut ext, $( $( $config_id , )* )? );
+        Self::with_state_and_middleware $( ::<($( $param ),+)> )?(&mut ext, $( $( $options_id , )* )? );
         Self::with_customizer(&mut ext);
-        ext.build()
+        ext.take()
       }
 
       #[allow(dead_code)]
-      pub fn init_ops $( <  $( $param : $type + Clone + 'static ),+ > )? ( $( $( $config_id : $config_type ),* )? ) -> $crate::Extension {
+      pub fn init_ops $( <  $( $param : $type + Clone + 'static ),+ > )? ( $( $( $options_id : $options_type ),* )? ) -> $crate::Extension {
         let mut ext = Self::ext();
         Self::with_ops $( ::<($( $param ),+)> )?(&mut ext);
-        Self::with_state_and_middleware $( ::<($( $param ),+)> )?(&mut ext, $( $( $config_id , )* )? );
+        Self::with_state_and_middleware $( ::<($( $param ),+)> )?(&mut ext, $( $( $options_id , )* )? );
         Self::with_customizer(&mut ext);
-        ext.build()
+        ext.take()
       }
     }
   };
 
-  (! __config__ $( parameters = [ $( $param:ident : $type:ident ),+ ] )? $( config = { $( $config_id:ident : $config_type:ty ),* } )? ) => {
+  // This branch of the macro generates a config object that calls the state function with itself.
+  (! __config__ $( parameters = [ $( $param:ident : $type:ident ),+ ] )? config = { $( $options_id:ident : $options_type:ty ),* } ) => {
     {
       #[doc(hidden)]
-      #[derive(Clone)]
       struct Config $( <  $( $param : $type + Clone + 'static ),+ > )? {
-        $( $( pub $config_id : $config_type , )* )?
+        $( pub $options_id : $options_type , )*
         $( __phantom_data: ::std::marker::PhantomData<($( $param ),+)>, )?
       }
 
       impl $( <  $( $param : $type + Clone + 'static ),+ > )? Config $( <  $( $param ),+ > )? {
-        /// Call a function of |state, ...| using the fields of this configuration structure.
+        /// Call a function of |state, cfg| using this configuration structure.
         #[allow(dead_code)]
         #[doc(hidden)]
         #[inline(always)]
-        fn call_callback<F: Fn(&mut $crate::OpState, $( $( $config_type ),* )?)>(self, state: &mut $crate::OpState, f: F) {
-          f(state, $( $( self. $config_id ),* )? )
+        fn call_callback<F: Fn(&mut $crate::OpState, Self)>(self, state: &mut $crate::OpState, f: F) {
+          f(state, self)
         }
       }
 
       Config {
-        $( $( $config_id , )* )?
+        $( $options_id , )*
         $( __phantom_data: ::std::marker::PhantomData::<($( $param ),+)>::default() )?
       }
     }
   };
 
+  // This branch of the macro generates an empty config object that doesn't actually make any callbacks on the state function.
+  (! __config__ $( parameters = [ $( $param:ident : $type:ident ),+ ] )? ) => {
+    {
+      #[doc(hidden)]
+      struct Config {
+      }
+
+      impl Config {
+        /// Call a function of |state| using the fields of this configuration structure.
+        #[allow(dead_code)]
+        #[doc(hidden)]
+        #[inline(always)]
+        fn call_callback<F: Fn(&mut $crate::OpState)>(self, state: &mut $crate::OpState, f: F) {
+          f(state)
+        }
+      }
+
+      Config {}
+    }
+  };
+
   (! __ops__ $ext:ident __eot__) => {
   };
 
@@ -409,8 +430,8 @@ impl Extension {
   }
 
   /// Allows setting up the initial op-state of an isolate at startup.
-  pub fn init_state(&self, state: &mut OpState) {
-    if let Some(op_fn) = &self.opstate_fn {
+  pub fn init_state(&mut self, state: &mut OpState) {
+    if let Some(op_fn) = self.opstate_fn.take() {
       op_fn(state);
     }
   }
@@ -499,7 +520,7 @@ impl ExtensionBuilder {
 
   pub fn state<F>(&mut self, opstate_fn: F) -> &mut Self
   where
-    F: Fn(&mut OpState) + 'static,
+    F: FnOnce(&mut OpState) + 'static,
   {
     self.state = Some(Box::new(opstate_fn));
     self
@@ -521,6 +542,27 @@ impl ExtensionBuilder {
     self
   }
 
+  /// Consume the [`ExtensionBuilder`] and return an [`Extension`].
+  pub fn take(self) -> Extension {
+    let js_files = Some(self.js);
+    let esm_files = Some(self.esm);
+    let ops = Some(self.ops);
+    let deps = Some(self.deps);
+    Extension {
+      js_files,
+      esm_files,
+      esm_entry_point: self.esm_entry_point,
+      ops,
+      opstate_fn: self.state,
+      middleware_fn: self.middleware,
+      event_loop_middleware: self.event_loop_middleware,
+      initialized: false,
+      enabled: true,
+      name: self.name,
+      deps,
+    }
+  }
+
   pub fn build(&mut self) -> Extension {
     let js_files = Some(std::mem::take(&mut self.js));
     let esm_files = Some(std::mem::take(&mut self.esm));
diff --git a/core/runtime.rs b/core/runtime.rs
index 1ea9c01684..0531e861c3 100644
--- a/core/runtime.rs
+++ b/core/runtime.rs
@@ -2731,14 +2731,14 @@ pub mod tests {
     deno_core::extension!(
       test_ext,
       ops = [op_test],
-      config = {
+      options = {
         mode: Mode,
         dispatch_count: Arc<AtomicUsize>,
       },
-      state = |state, mode, dispatch_count| {
+      state = |state, options| {
         state.put(TestState {
-          mode,
-          dispatch_count
+          mode: options.mode,
+          dispatch_count: options.dispatch_count
         })
       }
     );
diff --git a/ext/broadcast_channel/lib.rs b/ext/broadcast_channel/lib.rs
index 3df11566f3..5b38e70f85 100644
--- a/ext/broadcast_channel/lib.rs
+++ b/ext/broadcast_channel/lib.rs
@@ -114,13 +114,13 @@ deno_core::extension!(deno_broadcast_channel,
     op_broadcast_recv<BC>,
   ],
   esm = [ "01_broadcast_channel.js" ],
-  config = {
+  options = {
     bc: BC,
     unstable: bool,
   },
-  state = |state, bc, unstable| {
-    state.put(bc);
-    state.put(Unstable(unstable));
+  state = |state, options| {
+    state.put(options.bc);
+    state.put(Unstable(options.unstable));
   },
 );
 
diff --git a/ext/cache/lib.rs b/ext/cache/lib.rs
index eaf56c8b70..b5a29e9050 100644
--- a/ext/cache/lib.rs
+++ b/ext/cache/lib.rs
@@ -32,11 +32,11 @@ deno_core::extension!(deno_cache,
     op_cache_delete<CA>,
   ],
   esm = [ "01_cache.js" ],
-  config = {
+  options = {
     maybe_create_cache: Option<CreateCache<CA>>,
   },
-  state = |state, maybe_create_cache| {
-    if let Some(create_cache) = maybe_create_cache {
+  state = |state, options| {
+    if let Some(create_cache) = options.maybe_create_cache {
       state.put(create_cache);
     }
   },
diff --git a/ext/crypto/lib.rs b/ext/crypto/lib.rs
index 48c5acf4a2..6056b02a45 100644
--- a/ext/crypto/lib.rs
+++ b/ext/crypto/lib.rs
@@ -104,11 +104,11 @@ deno_core::extension!(deno_crypto,
     x25519::op_export_pkcs8_x25519,
   ],
   esm = [ "00_crypto.js", "01_webidl.js" ],
-  config = {
+  options = {
     maybe_seed: Option<u64>,
   },
-  state = |state, maybe_seed| {
-    if let Some(seed) = maybe_seed {
+  state = |state, options| {
+    if let Some(seed) = options.maybe_seed {
       state.put(StdRng::seed_from_u64(seed));
     }
   },
diff --git a/ext/fetch/lib.rs b/ext/fetch/lib.rs
index 4cd5d68c8f..9ed73161dd 100644
--- a/ext/fetch/lib.rs
+++ b/ext/fetch/lib.rs
@@ -107,19 +107,19 @@ deno_core::extension!(deno_fetch,
     "23_response.js",
     "26_fetch.js"
   ],
-  config = {
+  options = {
     options: Options,
   },
   state = |state, options| {
-    state.put::<Options>(options.clone());
+    state.put::<Options>(options.options.clone());
     state.put::<reqwest::Client>({
       create_http_client(
-        options.user_agent,
-        options.root_cert_store,
+        options.options.user_agent,
+        options.options.root_cert_store,
         vec![],
-        options.proxy,
-        options.unsafely_ignore_certificate_errors,
-        options.client_cert_chain_and_key
+        options.options.proxy,
+        options.options.unsafely_ignore_certificate_errors,
+        options.options.client_cert_chain_and_key
       )
       .unwrap()
     });
diff --git a/ext/ffi/lib.rs b/ext/ffi/lib.rs
index 1fd01c9d25..c11f08dd8e 100644
--- a/ext/ffi/lib.rs
+++ b/ext/ffi/lib.rs
@@ -112,12 +112,12 @@ deno_core::extension!(deno_ffi,
     op_ffi_unsafe_callback_ref,
   ],
   esm = [ "00_ffi.js" ],
-  config = {
+  options = {
     unstable: bool,
   },
-  state = |state, unstable| {
+  state = |state, options| {
     // Stolen from deno_webgpu, is there a better option?
-    state.put(Unstable(unstable));
+    state.put(Unstable(options.unstable));
 
     let (async_work_sender, async_work_receiver) =
       mpsc::unbounded::<PendingFfiAsyncWork>();
diff --git a/ext/flash/lib.rs b/ext/flash/lib.rs
index 6f11e14afa..b6a586d1fe 100644
--- a/ext/flash/lib.rs
+++ b/ext/flash/lib.rs
@@ -1559,11 +1559,11 @@ deno_core::extension!(deno_flash,
     op_try_flash_respond_chunked,
   ],
   esm = [ "01_http.js" ],
-  config = {
+  options = {
     unstable: bool,
   },
-  state = |state, unstable| {
-    state.put(Unstable(unstable));
+  state = |state, options| {
+    state.put(Unstable(options.unstable));
     state.put(FlashContext {
       next_server_id: 0,
       join_handles: HashMap::default(),
diff --git a/ext/fs/lib.rs b/ext/fs/lib.rs
index 48b0e34957..386d143d21 100644
--- a/ext/fs/lib.rs
+++ b/ext/fs/lib.rs
@@ -180,11 +180,11 @@ deno_core::extension!(deno_fs,
     op_readfile_text_async<P>,
   ],
   esm = [ "30_fs.js" ],
-  config = {
+  options = {
     unstable: bool
   },
-  state = |state, unstable| {
-    state.put(UnstableChecker { unstable });
+  state = |state, options| {
+    state.put(UnstableChecker { unstable: options.unstable });
   },
 );
 
diff --git a/ext/io/lib.rs b/ext/io/lib.rs
index bfbb1d94f0..5bb526d4aa 100644
--- a/ext/io/lib.rs
+++ b/ext/io/lib.rs
@@ -80,55 +80,53 @@ deno_core::extension!(deno_io,
   deps = [ deno_web ],
   ops = [op_read_sync, op_write_sync],
   esm = [ "12_io.js" ],
-  config = {
-    stdio: Rc<RefCell<Option<Stdio>>>,
+  options = {
+    stdio: Option<Stdio>,
   },
   middleware = |op| match op.name {
     "op_print" => op_print::decl(),
     _ => op,
   },
-  state = |state, stdio| {
-    let stdio = stdio
-      .borrow_mut()
-      .take()
-      .expect("Extension only supports being used once.");
-    let t = &mut state.resource_table;
+  state = |state, options| {
+    if let Some(stdio) = options.stdio {
+      let t = &mut state.resource_table;
 
-    let rid = t.add(StdFileResource::stdio(
-      match stdio.stdin {
-        StdioPipe::Inherit => StdFileResourceInner {
-          kind: StdFileResourceKind::Stdin,
-          file: STDIN_HANDLE.try_clone().unwrap(),
+      let rid = t.add(StdFileResource::stdio(
+        match stdio.stdin {
+          StdioPipe::Inherit => StdFileResourceInner {
+            kind: StdFileResourceKind::Stdin,
+            file: STDIN_HANDLE.try_clone().unwrap(),
+          },
+          StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
         },
-        StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
-      },
-      "stdin",
-    ));
-    assert_eq!(rid, 0, "stdin must have ResourceId 0");
+        "stdin",
+      ));
+      assert_eq!(rid, 0, "stdin must have ResourceId 0");
 
-    let rid = t.add(StdFileResource::stdio(
-      match stdio.stdout {
-        StdioPipe::Inherit => StdFileResourceInner {
-          kind: StdFileResourceKind::Stdout,
-          file: STDOUT_HANDLE.try_clone().unwrap(),
+      let rid = t.add(StdFileResource::stdio(
+        match stdio.stdout {
+          StdioPipe::Inherit => StdFileResourceInner {
+            kind: StdFileResourceKind::Stdout,
+            file: STDOUT_HANDLE.try_clone().unwrap(),
+          },
+          StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
         },
-        StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
-      },
-      "stdout",
-    ));
-    assert_eq!(rid, 1, "stdout must have ResourceId 1");
+        "stdout",
+      ));
+      assert_eq!(rid, 1, "stdout must have ResourceId 1");
 
-    let rid = t.add(StdFileResource::stdio(
-      match stdio.stderr {
-        StdioPipe::Inherit => StdFileResourceInner {
-          kind: StdFileResourceKind::Stderr,
-          file: STDERR_HANDLE.try_clone().unwrap(),
+      let rid = t.add(StdFileResource::stdio(
+        match stdio.stderr {
+          StdioPipe::Inherit => StdFileResourceInner {
+            kind: StdFileResourceKind::Stderr,
+            file: STDERR_HANDLE.try_clone().unwrap(),
+          },
+          StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
         },
-        StdioPipe::File(pipe) => StdFileResourceInner::file(pipe),
-      },
-      "stderr",
-    ));
-    assert_eq!(rid, 2, "stderr must have ResourceId 2");
+        "stderr",
+      ));
+      assert_eq!(rid, 2, "stderr must have ResourceId 2");
+    }
   },
 );
 
diff --git a/ext/net/lib.rs b/ext/net/lib.rs
index 76ed02706a..00833b53c4 100644
--- a/ext/net/lib.rs
+++ b/ext/net/lib.rs
@@ -105,18 +105,18 @@ deno_core::extension!(deno_net,
     #[cfg(unix)] ops_unix::op_net_send_unixpacket<P>,
   ],
   esm = [ "01_net.js", "02_tls.js" ],
-  config = {
+  options = {
     root_cert_store: Option<RootCertStore>,
     unstable: bool,
     unsafely_ignore_certificate_errors: Option<Vec<String>>,
   },
-  state = |state, root_cert_store, unstable, unsafely_ignore_certificate_errors| {
+  state = |state, options| {
     state.put(DefaultTlsOptions {
-      root_cert_store,
+      root_cert_store: options.root_cert_store,
     });
-    state.put(UnstableChecker { unstable });
+    state.put(UnstableChecker { unstable: options.unstable });
     state.put(UnsafelyIgnoreCertificateErrors(
-      unsafely_ignore_certificate_errors,
+      options.unsafely_ignore_certificate_errors,
     ));
   },
 );
diff --git a/ext/node/lib.rs b/ext/node/lib.rs
index 06138cf4cb..23a003bc83 100644
--- a/ext/node/lib.rs
+++ b/ext/node/lib.rs
@@ -370,11 +370,11 @@ deno_core::extension!(deno_node_loading,
     ops::op_require_break_on_next_statement,
   ],
   esm = ["01_node.js", "02_require.js", "module_es_shim.js"],
-  config = {
+  options = {
     maybe_npm_resolver: Option<Rc<dyn RequireNpmResolver>>,
   },
-  state = |state, maybe_npm_resolver| {
-    if let Some(npm_resolver) = maybe_npm_resolver.clone() {
+  state = |state, options| {
+    if let Some(npm_resolver) = options.maybe_npm_resolver {
       state.put(npm_resolver);
     }
   },
diff --git a/ext/web/lib.rs b/ext/web/lib.rs
index f3a22d6236..b0dc0d56d5 100644
--- a/ext/web/lib.rs
+++ b/ext/web/lib.rs
@@ -109,13 +109,13 @@ deno_core::extension!(deno_web,
     "14_compression.js",
     "15_performance.js",
   ],
-  config = {
+  options = {
     blob_store: BlobStore,
     maybe_location: Option<Url>,
   },
-  state = |state, blob_store, maybe_location| {
-    state.put(blob_store);
-    if let Some(location) = maybe_location {
+  state = |state, options| {
+    state.put(options.blob_store);
+    if let Some(location) = options.maybe_location {
       state.put(Location(location));
     }
     state.put(StartTime::now());
diff --git a/ext/websocket/lib.rs b/ext/websocket/lib.rs
index e480d7f4c6..24a290b4be 100644
--- a/ext/websocket/lib.rs
+++ b/ext/websocket/lib.rs
@@ -506,17 +506,17 @@ deno_core::extension!(deno_websocket,
     op_ws_next_event,
   ],
   esm = [ "01_websocket.js", "02_websocketstream.js" ],
-  config = {
+  options = {
     user_agent: String,
     root_cert_store: Option<RootCertStore>,
     unsafely_ignore_certificate_errors: Option<Vec<String>>
   },
-  state = |state, user_agent, root_cert_store, unsafely_ignore_certificate_errors| {
-    state.put::<WsUserAgent>(WsUserAgent(user_agent));
+  state = |state, options| {
+    state.put::<WsUserAgent>(WsUserAgent(options.user_agent));
     state.put(UnsafelyIgnoreCertificateErrors(
-      unsafely_ignore_certificate_errors,
+      options.unsafely_ignore_certificate_errors,
     ));
-    state.put::<WsRootStore>(WsRootStore(root_cert_store));
+    state.put::<WsRootStore>(WsRootStore(options.root_cert_store));
   },
 );
 
diff --git a/ext/webstorage/lib.rs b/ext/webstorage/lib.rs
index 6cdc7bbff9..10be072e81 100644
--- a/ext/webstorage/lib.rs
+++ b/ext/webstorage/lib.rs
@@ -31,11 +31,11 @@ deno_core::extension!(deno_webstorage,
     op_webstorage_iterate_keys,
   ],
   esm = [ "01_webstorage.js" ],
-  config = {
+  options = {
     origin_storage_dir: Option<PathBuf>
   },
-  state = |state, origin_storage_dir| {
-    if let Some(origin_storage_dir) = origin_storage_dir {
+  state = |state, options| {
+    if let Some(origin_storage_dir) = options.origin_storage_dir {
       state.put(OriginStorageDir(origin_storage_dir));
     }
   },
diff --git a/runtime/build.rs b/runtime/build.rs
index c1837de827..df5a0c2993 100644
--- a/runtime/build.rs
+++ b/runtime/build.rs
@@ -17,9 +17,7 @@ mod startup_snapshot {
   use deno_core::snapshot_util::*;
   use deno_core::Extension;
   use deno_core::ExtensionFileSource;
-  use std::cell::RefCell;
   use std::path::Path;
-  use std::rc::Rc;
 
   fn transpile_ts_for_snapshotting(
     file_source: &ExtensionFileSource,
@@ -292,9 +290,7 @@ mod startup_snapshot {
       deno_tls::deno_tls::init_ops_and_esm(),
       deno_napi::deno_napi::init_ops_and_esm::<Permissions>(),
       deno_http::deno_http::init_ops_and_esm(),
-      deno_io::deno_io::init_ops_and_esm(Rc::new(RefCell::new(Some(
-        Default::default(),
-      )))),
+      deno_io::deno_io::init_ops_and_esm(Default::default()),
       deno_fs::deno_fs::init_ops_and_esm::<Permissions>(false),
       deno_flash::deno_flash::init_ops_and_esm::<Permissions>(false), // No --unstable
       runtime::init_ops_and_esm(),
diff --git a/runtime/ops/os/mod.rs b/runtime/ops/os/mod.rs
index 87181654b3..b346293954 100644
--- a/runtime/ops/os/mod.rs
+++ b/runtime/ops/os/mod.rs
@@ -42,11 +42,11 @@ deno_core::ops!(
 deno_core::extension!(
   deno_os,
   ops_fn = deno_ops,
-  config = {
+  options = {
     exit_code: ExitCode,
   },
-  state = |state, exit_code| {
-    state.put::<ExitCode>(exit_code);
+  state = |state, options| {
+    state.put::<ExitCode>(options.exit_code);
   },
 );
 
diff --git a/runtime/ops/runtime.rs b/runtime/ops/runtime.rs
index 564d2279bf..a77e888c82 100644
--- a/runtime/ops/runtime.rs
+++ b/runtime/ops/runtime.rs
@@ -9,9 +9,9 @@ use deno_core::OpState;
 deno_core::extension!(
   deno_runtime,
   ops = [op_main_module],
-  config = { main_module: ModuleSpecifier },
-  state = |state, main_module| {
-    state.put::<ModuleSpecifier>(main_module);
+  options = { main_module: ModuleSpecifier },
+  state = |state, options| {
+    state.put::<ModuleSpecifier>(options.main_module);
   }
 );
 
diff --git a/runtime/ops/worker_host.rs b/runtime/ops/worker_host.rs
index de7e02e186..26c99efab0 100644
--- a/runtime/ops/worker_host.rs
+++ b/runtime/ops/worker_host.rs
@@ -96,27 +96,27 @@ deno_core::extension!(
     op_host_recv_ctrl,
     op_host_recv_message,
   ],
-  config = {
+  options = {
     create_web_worker_cb: Arc<CreateWebWorkerCb>,
     preload_module_cb: Arc<WorkerEventCb>,
     pre_execute_module_cb: Arc<WorkerEventCb>,
     format_js_error_fn: Option<Arc<FormatJsErrorFn>>,
   },
-  state = |state, create_web_worker_cb, preload_module_cb, pre_execute_module_cb, format_js_error_fn| {
+  state = |state, options| {
     state.put::<WorkersTable>(WorkersTable::default());
     state.put::<WorkerId>(WorkerId::default());
 
     let create_web_worker_cb_holder =
-      CreateWebWorkerCbHolder(create_web_worker_cb.clone());
+      CreateWebWorkerCbHolder(options.create_web_worker_cb);
     state.put::<CreateWebWorkerCbHolder>(create_web_worker_cb_holder);
     let preload_module_cb_holder =
-      PreloadModuleCbHolder(preload_module_cb.clone());
+      PreloadModuleCbHolder(options.preload_module_cb);
     state.put::<PreloadModuleCbHolder>(preload_module_cb_holder);
     let pre_execute_module_cb_holder =
-      PreExecuteModuleCbHolder(pre_execute_module_cb.clone());
+      PreExecuteModuleCbHolder(options.pre_execute_module_cb);
     state.put::<PreExecuteModuleCbHolder>(pre_execute_module_cb_holder);
     let format_js_error_fn_holder =
-      FormatJsErrorFnHolder(format_js_error_fn.clone());
+      FormatJsErrorFnHolder(options.format_js_error_fn);
     state.put::<FormatJsErrorFnHolder>(format_js_error_fn_holder);
   }
 );
diff --git a/runtime/web_worker.rs b/runtime/web_worker.rs
index a78e7078b3..1a8d02a1dc 100644
--- a/runtime/web_worker.rs
+++ b/runtime/web_worker.rs
@@ -369,15 +369,15 @@ impl WebWorker {
     mut options: WebWorkerOptions,
   ) -> (Self, SendableWebWorkerHandle) {
     deno_core::extension!(deno_permissions_web_worker,
-      config = {
+      options = {
         permissions: PermissionsContainer,
         unstable: bool,
         enable_testing_features: bool,
       },
-      state = |state, permissions, unstable, enable_testing_features| {
-        state.put::<PermissionsContainer>(permissions);
-        state.put(ops::UnstableChecker { unstable });
-        state.put(ops::TestingFeaturesEnabled(enable_testing_features));
+      state = |state, options| {
+        state.put::<PermissionsContainer>(options.permissions);
+        state.put(ops::UnstableChecker { unstable: options.unstable });
+        state.put(ops::TestingFeaturesEnabled(options.enable_testing_features));
       },
     );
 
@@ -432,7 +432,7 @@ impl WebWorker {
       deno_tls::deno_tls::init_ops(),
       deno_napi::deno_napi::init_ops::<PermissionsContainer>(),
       deno_http::deno_http::init_ops(),
-      deno_io::deno_io::init_ops(Rc::new(RefCell::new(Some(options.stdio)))),
+      deno_io::deno_io::init_ops(Some(options.stdio)),
       deno_fs::deno_fs::init_ops::<PermissionsContainer>(unstable),
       deno_flash::deno_flash::init_ops::<PermissionsContainer>(unstable),
       deno_node::deno_node_loading::init_ops::<PermissionsContainer>(
diff --git a/runtime/worker.rs b/runtime/worker.rs
index 8a7f5711d1..ed3478ff01 100644
--- a/runtime/worker.rs
+++ b/runtime/worker.rs
@@ -1,6 +1,5 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use std::cell::RefCell;
 use std::pin::Pin;
 use std::rc::Rc;
 use std::sync::atomic::AtomicI32;
@@ -189,15 +188,15 @@ impl MainWorker {
     mut options: WorkerOptions,
   ) -> Self {
     deno_core::extension!(deno_permissions_worker,
-      config = {
+      options = {
         permissions: PermissionsContainer,
         unstable: bool,
         enable_testing_features: bool,
       },
-      state = |state, permissions, unstable, enable_testing_features| {
-        state.put::<PermissionsContainer>(permissions);
-        state.put(ops::UnstableChecker { unstable });
-        state.put(ops::TestingFeaturesEnabled(enable_testing_features));
+      state = |state, options| {
+        state.put::<PermissionsContainer>(options.permissions);
+        state.put(ops::UnstableChecker { unstable: options.unstable });
+        state.put(ops::TestingFeaturesEnabled(options.enable_testing_features));
       },
     );
 
@@ -255,7 +254,7 @@ impl MainWorker {
       deno_tls::deno_tls::init_ops(),
       deno_napi::deno_napi::init_ops::<PermissionsContainer>(),
       deno_http::deno_http::init_ops(),
-      deno_io::deno_io::init_ops(Rc::new(RefCell::new(Some(options.stdio)))),
+      deno_io::deno_io::init_ops(Some(options.stdio)),
       deno_fs::deno_fs::init_ops::<PermissionsContainer>(unstable),
       deno_flash::deno_flash::init_ops::<PermissionsContainer>(unstable),
       deno_node::deno_node_loading::init_ops::<PermissionsContainer>(