diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..b940451
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,7 @@
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=mold"]
+
+[alias]
+# Shortcut for development runs with dynamic linking enabled.
+dev = "run --features dev"
diff --git a/Cargo.lock b/Cargo.lock
index fbf6bb1..4a191f7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -355,6 +355,7 @@ version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "950238d3049d81006a6fd6b898a34cfc01bb5462a7668795a54d640aed19fd0a"
 dependencies = [
+ "bevy_dylib",
  "bevy_internal",
 ]
 
@@ -686,6 +687,15 @@ dependencies = [
  "sysinfo",
 ]
 
+[[package]]
+name = "bevy_dylib"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70547c664f17a903cdef1e8e673496e9bdfa3d69dece9c01523d79067a876e34"
+dependencies = [
+ "bevy_internal",
+]
+
 [[package]]
 name = "bevy_ecs"
 version = "0.19.0"
diff --git a/Cargo.toml b/Cargo.toml
index 3b5474c..2542932 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,12 @@ bevy = { version = "0.19.0", features = ["bevy_feathers", "jpeg"] }
 rfd = "0.17.2"
 variadics_please = "2.0.0"
 
+[features]
+# Enabled via `cargo run --features dev` or `cargo dev`. Dynamic-links Bevy so
+# tiny code changes don't relink the full graph. Don't ship a release build
+# with this on — it produces a `.so` Bevy that's awkward to distribute.
+dev = ["bevy/dynamic_linking"]
+
 # Light opts on our crate, full opts on dependencies. Recommended by Bevy.
 [profile.dev]
 opt-level = 1
diff --git a/shell.nix b/shell.nix
index 97eecab..fdcd4c9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -9,7 +9,10 @@
 # Source: https://bevy.org/learn/quick-start/getting-started/setup/
 
 pkgs.mkShell {
-  nativeBuildInputs = [ pkgs.pkg-config ];
+  # `mold` + `clang` give us the fast linker pair Bevy recommends for dev
+  # iteration. `.cargo/config.toml` wires clang as the linker driver and
+  # passes `-fuse-ld=mold`.
+  nativeBuildInputs = [ pkgs.pkg-config pkgs.mold pkgs.clang ];
 
   buildInputs = with pkgs; [
     udev