diff --git a/cidre/Cargo.toml b/cidre/Cargo.toml
index 46fa2a2c..c0c0076d 100644
--- a/cidre/Cargo.toml
+++ b/cidre/Cargo.toml
@@ -97,7 +97,7 @@ ci = ["cf", "ns"]
 cg = ["cf"] # optional io, dispatch, blocks
 iio = ["cg", "blocks"]
 objc = ["dep:cidre-macros"]
-ns = ["objc"]
+ns = ["objc", "cg"]
 nl = ["ns"]
 vt = ["cf", "cv", "cg", "cm"]
 io = ["cf"]
diff --git a/cidre/src/cf/base.rs b/cidre/src/cf/base.rs
index 9d16cfcd..2b12390f 100644
--- a/cidre/src/cf/base.rs
+++ b/cidre/src/cf/base.rs
@@ -128,6 +128,20 @@ impl Type {
     }
 }
 
+impl std::cmp::PartialEq for Type {
+    fn eq(&self, other: &Self) -> bool {
+        self.equal(other)
+    }
+}
+
+impl std::cmp::Eq for Type {}
+
+impl std::hash::Hash for Type {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        state.write_usize(self.hash());
+    }
+}
+
 impl Debug for Type {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let desc = self.desc();
diff --git a/cidre/src/cf/dictionary.rs b/cidre/src/cf/dictionary.rs
index 4a497919..7057120f 100644
--- a/cidre/src/cf/dictionary.rs
+++ b/cidre/src/cf/dictionary.rs
@@ -540,6 +540,18 @@ where
 #[repr(transparent)]
 pub struct DictionaryOfMut<K, V>(DictionaryMut, marker::PhantomData<(K, V)>);
 
+impl<K, V> std::ops::Deref for DictionaryOfMut<K, V>
+where
+    K: arc::Retain,
+    V: arc::Retain,
+{
+    type Target = DictionaryOf<K, V>;
+
+    fn deref(&self) -> &Self::Target {
+        unsafe { transmute(self) }
+    }
+}
+
 impl<K, V> DictionaryOfMut<K, V>
 where
     K: arc::Retain,
@@ -581,6 +593,10 @@ where
             transmute(dict)
         }
     }
+
+    pub fn copy_mut(&self) -> Option<arc::R<DictionaryOfMut<K, V>>> {
+        unsafe { transmute(CFDictionaryCreateMutableCopy(None, 0, &self.0)) }
+    }
 }
 
 impl<K, V> arc::Release for DictionaryOfMut<K, V>
@@ -614,6 +630,12 @@ extern "C-unwind" {
         value_callbacks: Option<&ValueCbs>,
     ) -> Option<arc::R<DictionaryMut>>;
 
+    fn CFDictionaryCreateMutableCopy(
+        allocator: Option<&cf::Allocator>,
+        capacity: cf::Index,
+        the_dict: &Dictionary,
+    ) -> Option<arc::R<DictionaryMut>>;
+
     fn CFDictionaryAddValue(the_dict: &mut DictionaryMut, key: *const c_void, value: *const c_void);
     fn CFDictionarySetValue(the_dict: &mut DictionaryMut, key: *const c_void, value: *const c_void);
     fn CFDictionaryReplaceValue(
@@ -623,4 +645,5 @@ extern "C-unwind" {
     );
     fn CFDictionaryRemoveValue(the_dict: &mut DictionaryMut, key: *const c_void);
     fn CFDictionaryRemoveAllValues(the_dict: &mut DictionaryMut);
+
 }
diff --git a/cidre/src/cf/string.rs b/cidre/src/cf/string.rs
index 494660fd..3e278aa8 100644
--- a/cidre/src/cf/string.rs
+++ b/cidre/src/cf/string.rs
@@ -1,7 +1,8 @@
 use core::fmt;
 use std::{
-    borrow::Cow,
+    borrow::{Borrow, Cow},
     ffi::{c_char, CStr},
+    hash::Hash,
     str::from_utf8_unchecked,
 };
 
@@ -529,6 +530,33 @@ impl AsRef<cf::String> for cf::StringMut {
     }
 }
 
+impl Borrow<cf::Type> for &cf::String {
+    fn borrow(&self) -> &cf::Type {
+        self.as_type_ref()
+    }
+}
+
+impl Borrow<cf::Type> for cf::String {
+    fn borrow(&self) -> &cf::Type {
+        self.as_type_ref()
+    }
+}
+
+impl std::cmp::PartialEq for cf::String {
+    fn eq(&self, other: &Self) -> bool {
+        self.as_type_ref().eq(other)
+    }
+}
+
+impl std::cmp::Eq for cf::String {}
+
+impl std::hash::Hash for cf::String {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        let hash = self.as_type_ref().hash();
+        state.write_usize(hash)
+    }
+}
+
 #[cfg(test)]
 mod tests {
 
diff --git a/cidre/src/cg.rs b/cidre/src/cg.rs
index a6c5fc9b..feed44de 100644
--- a/cidre/src/cg.rs
+++ b/cidre/src/cg.rs
@@ -65,6 +65,8 @@ pub use font::Glyph;
 pub use font::Index as FontIndex;
 
 mod path;
+
+#[cfg(feature = "blocks")]
 pub use path::ApplyBlock as PathApplyBlock;
 pub use path::Element as PathElement;
 pub use path::ElementType as PathElementType;
diff --git a/cidre/src/dispatch.rs b/cidre/src/dispatch.rs
index c9342d58..34b73fd2 100644
--- a/cidre/src/dispatch.rs
+++ b/cidre/src/dispatch.rs
@@ -23,6 +23,7 @@ pub use queue::QosClass;
 pub use queue::Queue;
 
 pub mod data;
+#[cfg(feature = "blocks")]
 pub use data::Applier as DataApplier;
 pub use data::Data;
 
diff --git a/cidre/src/dispatch/data.rs b/cidre/src/dispatch/data.rs
index 35583bd1..783f512b 100644
--- a/cidre/src/dispatch/data.rs
+++ b/cidre/src/dispatch/data.rs
@@ -6,6 +6,7 @@ use crate::{arc, define_obj_type, dispatch, ns};
 use crate::blocks;
 
 #[doc(alias = "dispatch_data_applier_t")]
+#[cfg(feature = "blocks")]
 pub type Applier<Attr> = blocks::Block<fn(&dispatch::Data, usize, *const u8, usize) -> bool, Attr>;
 
 define_obj_type!(
@@ -74,17 +75,20 @@ impl Data {
     }
 
     #[doc(alias = "dispatch_data_create")]
+    #[cfg(feature = "blocks")]
     #[inline]
     pub fn copy_from_slice(data: &[u8]) -> arc::R<Self> {
         unsafe { dispatch_data_create(data.as_ptr(), data.len(), None, None) }
     }
 
+    #[cfg(feature = "blocks")]
     #[inline]
     pub fn from_static(bytes: &'static [u8]) -> arc::R<Self> {
         let mut b = blocks::StaticBlock::new0(destructor_noop);
         unsafe { dispatch_data_create(bytes.as_ptr(), bytes.len(), None, Some(b.as_esc_mut())) }
     }
 
+    #[cfg(feature = "blocks")]
     #[inline]
     pub fn with_bytes_no_copy(
         bytes: *const u8,
@@ -107,18 +111,21 @@ impl Data {
 }
 extern "C" fn destructor_noop(_ctx: *const c_void) {}
 
+#[cfg(feature = "blocks")]
 impl From<&'static [u8]> for arc::R<Data> {
     fn from(slice: &'static [u8]) -> arc::R<Data> {
         Data::from_static(slice)
     }
 }
 
+#[cfg(feature = "blocks")]
 impl From<&'static str> for arc::R<Data> {
     fn from(slice: &'static str) -> arc::R<Data> {
         Data::from_static(slice.as_bytes())
     }
 }
 
+#[cfg(feature = "blocks")]
 impl From<Vec<u8>> for arc::R<Data> {
     fn from(val: Vec<u8>) -> arc::R<Data> {
         let len = val.len();
@@ -135,6 +142,7 @@ impl From<Vec<u8>> for arc::R<Data> {
     }
 }
 
+#[cfg(feature = "blocks")]
 impl From<Box<[u8]>> for arc::R<Data> {
     fn from(val: Box<[u8]>) -> arc::R<Data> {
         let len = val.len();
@@ -155,6 +163,7 @@ impl From<Box<[u8]>> for arc::R<Data> {
 extern "C" {
     static _dispatch_data_empty: Data;
 
+    #[cfg(feature = "blocks")]
     fn dispatch_data_create(
         buffer: *const u8,
         size: usize,
diff --git a/cidre/src/dispatch/queue.rs b/cidre/src/dispatch/queue.rs
index 6208d225..a7b252c5 100644
--- a/cidre/src/dispatch/queue.rs
+++ b/cidre/src/dispatch/queue.rs
@@ -365,6 +365,7 @@ extern "C" {
 
     #[cfg(feature = "blocks")]
     fn dispatch_sync(queue: &Queue, block: &mut dispatch::Block<blocks::NoEsc>);
+    #[cfg(feature = "blocks")]
     fn dispatch_async(queue: &Queue, block: &mut dispatch::Block);
 
     fn dispatch_async_f(queue: &Queue, context: *mut c_void, work: dispatch::Fn<c_void>);
diff --git a/cidre/src/ns/data.rs b/cidre/src/ns/data.rs
index a9cb6e47..34051e03 100644
--- a/cidre/src/ns/data.rs
+++ b/cidre/src/ns/data.rs
@@ -1,6 +1,9 @@
 use std::ptr::{slice_from_raw_parts, slice_from_raw_parts_mut};
 
-use crate::{arc, blocks, cf, define_obj_type, define_opts, ns, objc};
+use crate::{arc, cf, define_obj_type, define_opts, ns, objc};
+
+#[cfg(feature = "blocks")]
+use crate::blocks;
 
 define_opts!(
     #[doc(alias = "NSDataReadingOptions")]
@@ -164,6 +167,7 @@ impl Data {
 }
 
 /// NSExtendedData
+#[cfg(feature = "blocks")]
 impl Data {
     #[objc::msg_send(enumerateByteRangesUsingBlock:)]
     pub fn enumerate_byte_ranges_using_block(
diff --git a/cidre/src/ns/file_manager.rs b/cidre/src/ns/file_manager.rs
index 6cd58dd5..063121d8 100644
--- a/cidre/src/ns/file_manager.rs
+++ b/cidre/src/ns/file_manager.rs
@@ -1,4 +1,7 @@
-use crate::{arc, blocks, define_cls, define_obj_type, define_opts, ns, objc, os};
+use crate::{arc, define_cls, define_obj_type, define_opts, ns, objc, os};
+
+#[cfg(feature = "blocks")]
+use crate::blocks;
 
 define_obj_type!(
     #[doc(alias = "NSFileAttributeKey")]
@@ -294,6 +297,7 @@ impl FileManager {
         options: ns::VolumeEnumOpts,
     ) -> arc::R<ns::Array<ns::Url>>;
 
+    #[cfg(feature = "blocks")]
     #[objc::msg_send(unmountVolumeAtURL:options:completionHandler:)]
     pub fn unmount_volume_at_url_ch_block(
         &self,
diff --git a/cidre/src/ns/operation.rs b/cidre/src/ns/operation.rs
index 31b7d1b3..754af7aa 100644
--- a/cidre/src/ns/operation.rs
+++ b/cidre/src/ns/operation.rs
@@ -1,4 +1,7 @@
-use crate::{arc, define_cls, define_obj_type, dispatch, ns, objc};
+use crate::{arc, define_cls, define_obj_type, ns, objc};
+
+#[cfg(feature = "dispatch")]
+use crate::dispatch;
 
 #[cfg(feature = "blocks")]
 use crate::blocks;
@@ -145,9 +148,11 @@ impl OpQueue {
     #[objc::msg_send(cancelAllOperations)]
     pub fn cancel_all_ops(&mut self);
 
+    #[cfg(feature = "dispatch")]
     #[objc::msg_send(underlyingQueue)]
     pub fn underlying_queue(&self) -> Option<arc::R<dispatch::Queue>>;
 
+    #[cfg(feature = "dispatch")]
     #[objc::msg_send(setUnderlyingQueue:)]
     pub fn set_underlying_queue(&mut self, val: Option<&dispatch::Queue>);