diff --git a/Cargo.lock b/Cargo.lock
index 5fc90e02..39a29f62 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4433,7 +4433,7 @@ checksum = "126e423afe2dd9ac52142e7e9d5ce4135d7e13776c529d27fd6bc49f19e3280b"
 
 [[package]]
 name = "vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "arrow",
  "base64",
@@ -4451,7 +4451,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-core"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "bytes",
  "chrono",
@@ -4481,7 +4481,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-dataframe"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "arrow",
  "async-trait",
@@ -4493,7 +4493,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-datafusion-udfs"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "chrono",
  "chrono-tz",
@@ -4506,7 +4506,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-jni"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "jni",
  "serde_json",
@@ -4519,7 +4519,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-python-embed"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "arrow",
  "async-trait",
@@ -4543,7 +4543,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-runtime"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "async-lock 2.8.0",
  "async-recursion",
@@ -4596,7 +4596,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-server"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "assert_cmd",
  "clap 4.5.1",
@@ -4620,7 +4620,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-sql"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "arrow",
  "async-std",
@@ -4655,7 +4655,7 @@ dependencies = [
 
 [[package]]
 name = "vegafusion-wasm"
-version = "1.6.5"
+version = "1.6.6"
 dependencies = [
  "chrono",
  "console_error_panic_hook",
diff --git a/java/version.txt b/java/version.txt
index 49ebdd60..83d1a5eb 100644
--- a/java/version.txt
+++ b/java/version.txt
@@ -1 +1 @@
-1.6.5
\ No newline at end of file
+1.6.6
\ No newline at end of file
diff --git a/javascript/vegafusion-embed/package-lock.json b/javascript/vegafusion-embed/package-lock.json
index 51319296..1236e4c6 100644
--- a/javascript/vegafusion-embed/package-lock.json
+++ b/javascript/vegafusion-embed/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-embed",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/javascript/vegafusion-embed/package.json b/javascript/vegafusion-embed/package.json
index ca5b60f3..06b98263 100644
--- a/javascript/vegafusion-embed/package.json
+++ b/javascript/vegafusion-embed/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-embed",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "description": "Library to embed vegafusion visualizations",
   "keywords": [
     "vega",
diff --git a/python/vegafusion-jupyter/package-lock.json b/python/vegafusion-jupyter/package-lock.json
index 875c96c5..a2ef3972 100644
--- a/python/vegafusion-jupyter/package-lock.json
+++ b/python/vegafusion-jupyter/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-jupyter",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/python/vegafusion-jupyter/package.json b/python/vegafusion-jupyter/package.json
index 62f7abed..d0b71067 100644
--- a/python/vegafusion-jupyter/package.json
+++ b/python/vegafusion-jupyter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-jupyter",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "description": "Altair Jupyter Widget library that relies on VegaFusion for serverside calculations",
   "keywords": [
     "jupyter",
diff --git a/python/vegafusion-jupyter/setup.cfg b/python/vegafusion-jupyter/setup.cfg
index 095faada..708ebc99 100644
--- a/python/vegafusion-jupyter/setup.cfg
+++ b/python/vegafusion-jupyter/setup.cfg
@@ -4,7 +4,7 @@ universal = 0
 [metadata]
 name = vegafusion-jupyter
 description = Altair Jupyter Widget library that relies on VegaFusion for serverside calculations
-version = 1.6.5
+version = 1.6.6
 author = Jon Mease
 author_email = jonmmease@gmail.com
 url = https://vegafusion.io
diff --git a/python/vegafusion-jupyter/vegafusion_jupyter/_frontend.py b/python/vegafusion-jupyter/vegafusion_jupyter/_frontend.py
index 9ba66668..8426eed5 100644
--- a/python/vegafusion-jupyter/vegafusion_jupyter/_frontend.py
+++ b/python/vegafusion-jupyter/vegafusion_jupyter/_frontend.py
@@ -2,4 +2,4 @@
 Information about the frontend package of the widgets.
 """    
 module_name = "vegafusion-jupyter"
-module_version = "^1.6.5"
+module_version = "^1.6.6"
diff --git a/python/vegafusion-jupyter/vegafusion_jupyter/_version.py b/python/vegafusion-jupyter/vegafusion_jupyter/_version.py
index f3df7f04..008e8016 100644
--- a/python/vegafusion-jupyter/vegafusion_jupyter/_version.py
+++ b/python/vegafusion-jupyter/vegafusion_jupyter/_version.py
@@ -1 +1 @@
-__version__ = '1.6.5'
+__version__ = '1.6.6'
diff --git a/python/vegafusion/setup.cfg b/python/vegafusion/setup.cfg
index 027adb50..614f2330 100644
--- a/python/vegafusion/setup.cfg
+++ b/python/vegafusion/setup.cfg
@@ -4,7 +4,7 @@ universal = 0
 [metadata]
 name = vegafusion
 description = Core tools for using VegaFusion from Python
-version = 1.6.5
+version = 1.6.6
 long_description = file: README.md
 long_description_content_type = text/markdown
 keywords = vega, altair, vegafusion, arrow
@@ -35,6 +35,6 @@ install_requires =
 
 [options.extras_require]
 embed = 
-	vegafusion-python-embed==1.6.5
+	vegafusion-python-embed==1.6.6
 	vl-convert-python>=0.7.0
 
diff --git a/python/vegafusion/vegafusion/_version.py b/python/vegafusion/vegafusion/_version.py
index f3df7f04..008e8016 100644
--- a/python/vegafusion/vegafusion/_version.py
+++ b/python/vegafusion/vegafusion/_version.py
@@ -1 +1 @@
-__version__ = '1.6.5'
+__version__ = '1.6.6'
diff --git a/vegafusion-common/Cargo.toml b/vegafusion-common/Cargo.toml
index 87cbedaa..58174d91 100644
--- a/vegafusion-common/Cargo.toml
+++ b/vegafusion-common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "Common components required by multiple VegaFusion crates"
 license = "BSD-3-Clause"
diff --git a/vegafusion-core/Cargo.toml b/vegafusion-core/Cargo.toml
index dc4b271b..e913262c 100644
--- a/vegafusion-core/Cargo.toml
+++ b/vegafusion-core/Cargo.toml
@@ -2,7 +2,7 @@
 name = "vegafusion-core"
 license = "BSD-3-Clause"
 edition = "2021"
-version = "1.6.5"
+version = "1.6.6"
 description = "Core components required by multiple VegaFusion crates, with WASM compatibility"
 
 [features]
@@ -40,7 +40,7 @@ features = [ "preserve_order",]
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
 features = [ "json", "sqlparser",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.datafusion-common]
 workspace = true
diff --git a/vegafusion-dataframe/Cargo.toml b/vegafusion-dataframe/Cargo.toml
index 2737411b..8972cf40 100644
--- a/vegafusion-dataframe/Cargo.toml
+++ b/vegafusion-dataframe/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "vegafusion-dataframe"
 license = "BSD-3-Clause"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "VegaFusion's DataFrame and Connection traits"
 
@@ -13,7 +13,7 @@ async-trait = "0.1.73"
 
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.datafusion-common]
 workspace = true
diff --git a/vegafusion-datafusion-udfs/Cargo.toml b/vegafusion-datafusion-udfs/Cargo.toml
index 1a9fa7a7..92b405a1 100644
--- a/vegafusion-datafusion-udfs/Cargo.toml
+++ b/vegafusion-datafusion-udfs/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "vegafusion-datafusion-udfs"
 license = "BSD-3-Clause"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "Custom DataFusion UDFs used by VegaFusion"
 
@@ -16,7 +16,7 @@ workspace = true
 
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.datafusion-physical-expr]
 workspace = true
diff --git a/vegafusion-jni/Cargo.toml b/vegafusion-jni/Cargo.toml
index 8e8ef048..daeb1194 100644
--- a/vegafusion-jni/Cargo.toml
+++ b/vegafusion-jni/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vegafusion-jni"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 
 [lib]
@@ -15,21 +15,21 @@ serde_json = "1.0.96"
 
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "jni",]
 
 [dependencies.vegafusion-core]
 path = "../vegafusion-core"
 features = [ "tonic_support",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-runtime]
 path = "../vegafusion-runtime"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-sql]
 path = "../vegafusion-sql"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "datafusion-conn",]
 
 [dependencies.tokio]
diff --git a/vegafusion-python-embed/Cargo.toml b/vegafusion-python-embed/Cargo.toml
index 2076d457..d844d8ad 100644
--- a/vegafusion-python-embed/Cargo.toml
+++ b/vegafusion-python-embed/Cargo.toml
@@ -2,7 +2,7 @@
 name = "vegafusion-python-embed"
 license = "BSD-3-Clause"
 edition = "2021"
-version = "1.6.5"
+version = "1.6.6"
 description = "vegafusion-python-embed PyO3 Python Package"
 
 [lib]
@@ -15,10 +15,12 @@ protobuf-src = [ "vegafusion-core/protobuf-src",]
 [dependencies]
 log = "0.4.17"
 env_logger = "0.10.0"
-pythonize = { workspace=true }
 async-trait = "0.1.73"
 uuid = "1.3.0"
 
+[dependencies.pythonize]
+workspace = true
+
 [dependencies.prost]
 workspace = true
 
@@ -39,26 +41,26 @@ features = [ "pyarrow",]
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
 features = [ "pyo3", "datafusion-proto", "base64",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-core]
 path = "../vegafusion-core"
 features = [ "pyarrow",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-runtime]
 path = "../vegafusion-runtime"
 features = [ "pyarrow",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-sql]
 path = "../vegafusion-sql"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "datafusion-conn", "pyarrow",]
 
 [dependencies.vegafusion-dataframe]
 path = "../vegafusion-dataframe"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.datafusion-proto]
 workspace = true
diff --git a/vegafusion-runtime/Cargo.toml b/vegafusion-runtime/Cargo.toml
index 2e44d350..98d2ce7e 100644
--- a/vegafusion-runtime/Cargo.toml
+++ b/vegafusion-runtime/Cargo.toml
@@ -6,7 +6,7 @@ harness = false
 name = "vegafusion-runtime"
 license = "BSD-3-Clause"
 edition = "2021"
-version = "1.6.5"
+version = "1.6.6"
 description = "VegaFusion Runtime"
 
 [features]
@@ -69,20 +69,20 @@ workspace = true
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
 features = [ "json", "sqlparser", "prettyprint", "object_store",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-core]
 path = "../vegafusion-core"
 features = [ "sqlparser",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-datafusion-udfs]
 path = "../vegafusion-datafusion-udfs"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-dataframe]
 path = "../vegafusion-dataframe"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.serde]
 version = "1.0.137"
@@ -123,5 +123,5 @@ features = [ "async_tokio",]
 
 [dev-dependencies.vegafusion-sql]
 path = "../vegafusion-sql"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "datafusion-conn",]
diff --git a/vegafusion-server/Cargo.toml b/vegafusion-server/Cargo.toml
index b4ca121a..27984223 100644
--- a/vegafusion-server/Cargo.toml
+++ b/vegafusion-server/Cargo.toml
@@ -5,12 +5,12 @@ path = "src/main.rs"
 [package]
 name = "vegafusion-server"
 license = "BSD-3-Clause"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "VegaFusion Server"
 
 [features]
-protobuf-src = [ "vegafusion-core/protobuf-src", "dep:protobuf-src"]
+protobuf-src = [ "vegafusion-core/protobuf-src", "dep:protobuf-src",]
 
 [dependencies]
 futures-util = "0.3.21"
@@ -25,27 +25,26 @@ predicates = "3.0.2"
 [build-dependencies]
 tonic-build = "0.10.2"
 prost-build = "0.12.1"
-protobuf-src = { version="1.1.0", optional = true }
 
 [dependencies.prost]
 workspace = true
 
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-core]
 path = "../vegafusion-core"
 features = [ "tonic_support",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-runtime]
 path = "../vegafusion-runtime"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-sql]
 path = "../vegafusion-sql"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "datafusion-conn",]
 
 [dependencies.tokio]
@@ -62,3 +61,7 @@ features = [ "tls",]
 [dependencies.clap]
 version = "4.2.1"
 features = [ "derive",]
+
+[build-dependencies.protobuf-src]
+version = "1.1.0"
+optional = true
diff --git a/vegafusion-sql/Cargo.toml b/vegafusion-sql/Cargo.toml
index 2becd8a6..1991092f 100644
--- a/vegafusion-sql/Cargo.toml
+++ b/vegafusion-sql/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "vegafusion-sql"
 license = "BSD-3-Clause"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "VegaFusion SQL dialect generation and connection implementations"
 
@@ -29,16 +29,16 @@ workspace = true
 
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "sqlparser",]
 
 [dependencies.vegafusion-dataframe]
 path = "../vegafusion-dataframe"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-datafusion-udfs]
 path = "../vegafusion-datafusion-udfs"
-version = "1.6.5"
+version = "1.6.6"
 optional = true
 
 [dependencies.arrow]
@@ -101,11 +101,11 @@ features = [ "preserve_order",]
 
 [dev-dependencies.vegafusion-datafusion-udfs]
 path = "../vegafusion-datafusion-udfs"
-version = "1.6.5"
+version = "1.6.6"
 
 [dev-dependencies.vegafusion-common]
 path = "../vegafusion-common"
-version = "1.6.5"
+version = "1.6.6"
 features = [ "sqlparser", "json", "prettyprint",]
 
 [dev-dependencies.tokio]
diff --git a/vegafusion-wasm/Cargo.toml b/vegafusion-wasm/Cargo.toml
index a9674475..f30f53d6 100644
--- a/vegafusion-wasm/Cargo.toml
+++ b/vegafusion-wasm/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "vegafusion-wasm"
 license = "BSD-3-Clause"
-version = "1.6.5"
+version = "1.6.6"
 edition = "2021"
 description = "VegaFusion WASM package for embedding Vega charts in the browser with a connection to a VegaFusion Runtime\n"
 
@@ -30,11 +30,11 @@ workspace = true
 [dependencies.vegafusion-common]
 path = "../vegafusion-common"
 features = [ "json",]
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.vegafusion-core]
 path = "../vegafusion-core"
-version = "1.6.5"
+version = "1.6.6"
 
 [dependencies.serde]
 version = "1.0.137"
diff --git a/vegafusion-wasm/package-lock.json b/vegafusion-wasm/package-lock.json
index 8a347c87..a7db8e9d 100644
--- a/vegafusion-wasm/package-lock.json
+++ b/vegafusion-wasm/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-wasm",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/vegafusion-wasm/package.json b/vegafusion-wasm/package.json
index 2a258af0..17b15ebb 100644
--- a/vegafusion-wasm/package.json
+++ b/vegafusion-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vegafusion-wasm",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "author": {
     "name": "Jon Mease",
     "email": "jon@vegafusion.io",