diff --git a/Cargo.toml b/Cargo.toml
index a1a72f11..afd2af77 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.8.50"
+version = "0.8.51"
 edition = "2024"
 publish = false
 
diff --git a/apps/blitz-preview/Cargo.toml b/apps/blitz-preview/Cargo.toml
index 3d09a792..7ccdc611 100644
--- a/apps/blitz-preview/Cargo.toml
+++ b/apps/blitz-preview/Cargo.toml
@@ -14,10 +14,10 @@ build = "build.rs"
 # with it the only genuinely headless path, from building at all.
 anyrender = { package = "ps-anyrender", version = "^0.13.0" }
 anyrender_vello_cpu = { package = "ps-anyrender-vello-cpu", version = "^0.16.0", optional = true }
-blitz-dom = { package = "ps-blitz-dom", version = "^0.3", features = ["system-fonts"] }
-blitz-paint = { package = "ps-blitz-paint", version = "^0.3", features = ["scrollbars"] }
-blitz-script = { package = "ps-blitz-script", version = "^0.3", features = ["system-fonts"] }
-blitz-traits = { package = "ps-blitz-traits", version = "^0.3" }
+blitz-dom = { package = "ps-blitz-dom", version = "^0.4", features = ["system-fonts"] }
+blitz-paint = { package = "ps-blitz-paint", version = "^0.4", features = ["scrollbars"] }
+blitz-script = { package = "ps-blitz-script", version = "^0.4", features = ["system-fonts"] }
+blitz-traits = { package = "ps-blitz-traits", version = "^0.4" }
 brotli = { version = "^8.0.4", default-features = false, features = ["std"] }
 png = { version = "^0.18.1", optional = true }
 tauri = { version = "^2.11.5", default-features = false, features = ["compression"] }
diff --git a/apps/blitz-preview/src/main.rs b/apps/blitz-preview/src/main.rs
index fe0a8e0e..d34ac231 100644
--- a/apps/blitz-preview/src/main.rs
+++ b/apps/blitz-preview/src/main.rs
@@ -1,7 +1,3 @@
-// `Document` provides `inner_mut` and `poll`, which both the capture path
-// and the inspection host call. Unconditional: it is used in every
-// configuration now.
-use blitz_dom::Document;
 use blitz_dom::DocumentConfig;
 use blitz_script::{DefaultScriptFetcher, FetchError, ScriptDocument, ScriptFetcher};
 #[cfg(all(not(test), feature = "capture"))]
@@ -530,6 +526,7 @@ fn main() {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use blitz_dom::Document;
 
     #[test]
     fn embedded_assets_are_compressed_and_round_trip() {
diff --git a/apps/gui/Cargo.toml b/apps/gui/Cargo.toml
index 32c1ce0c..57b696ab 100644
--- a/apps/gui/Cargo.toml
+++ b/apps/gui/Cargo.toml
@@ -114,15 +114,14 @@ tauri-runtime-blitz = { version = "^0.3", optional = true, features = ["macos-pr
 # resolved anyrender from crates.io at 0.12.0, and the build stopped at
 # "failed to select a version".
 #
-# A caret is what was meant. `cargo update` moves it, `Cargo.lock` records what
-# was resolved, and anything else asking for the same range gets the same crate
-# rather than a second copy of the engine - which is the failure that reads as
-# `expected ScriptDocument, found ScriptDocument` with both types naming one
-# file. Working against a local checkout stays possible through the `[patch]`
-# entries in `.cargo/config.toml`, so the default exercises what a release
-# actually resolves.
-blitz-dom = { package = "ps-blitz-dom", version = "^0.3", features = ["system-fonts", "parallel-construct"], optional = true }
-blitz-script = { package = "ps-blitz-script", version = "^0.3", features = ["system-fonts"], optional = true }
+# A caret is what was meant. Every lockless build resolves the compatible family
+# afresh, and anything else asking for the same range gets the same crate rather
+# than a second copy of the engine. Two incompatible families produce the failure
+# that reads as `expected ScriptDocument, found ScriptDocument` with both types
+# naming one file. Local renderer work uses `.cargo/local-renderer.toml` through
+# `scripts/local-renderer.sh`, so the default exercises the published graph.
+blitz-dom = { package = "ps-blitz-dom", version = "^0.4", features = ["system-fonts", "parallel-construct"], optional = true }
+blitz-script = { package = "ps-blitz-script", version = "^0.4", features = ["system-fonts"], optional = true }
 brotli = { version = "8.0.4", default-features = false, features = ["std"], optional = true }
 url = { version = "2.5.8", optional = true }
 tauri-plugin-updater = "2"