diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66c5b887..4d01a998 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,3 +47,8 @@ Skipped
 ## 0.1.39
 
 - Support conversion from Uint8Array to IProgram in wasm.
+
+## 0.1.40
+
+- New language sigil ```*standard-cl-23*``` is here which is the same language as that introduced by ```*strict-cl-21*``` but has much better optimization.
+- Syntactic tree lists using #(...) syntax in cl21 and cl23 (matt-o-how).
diff --git a/Cargo.lock b/Cargo.lock
index ac19bd89..de8bbc8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,7 +126,7 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clvm_tools_rs"
-version = "0.1.39"
+version = "0.1.40"
 dependencies = [
  "binascii",
  "bls12_381",
diff --git a/Cargo.toml b/Cargo.toml
index 2287ddfa..d478b250 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "clvm_tools_rs"
-version = "0.1.39"
+version = "0.1.40"
 edition = "2018"
 authors = ["Art Yerkes <art.yerkes@gmail.com>"]
 description = "tools for working with chialisp language; compiler, repl, python and wasm bindings"
diff --git a/wasm/Cargo.lock b/wasm/Cargo.lock
index dda20c91..74698028 100644
--- a/wasm/Cargo.lock
+++ b/wasm/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -117,7 +126,7 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clvm_tools_rs"
-version = "0.1.39"
+version = "0.1.40"
 dependencies = [
  "binascii",
  "bls12_381",
@@ -136,6 +145,7 @@ dependencies = [
  "num-bigint",
  "num-traits",
  "pyo3-build-config",
+ "regex",
  "serde",
  "serde_json",
  "sha2 0.9.9",
@@ -148,7 +158,7 @@ dependencies = [
 
 [[package]]
 name = "clvm_tools_wasm"
-version = "0.1.39"
+version = "0.1.40"
 dependencies = [
  "clvm_tools_rs",
  "clvmr",
@@ -473,6 +483,12 @@ version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
 
+[[package]]
+name = "memchr"
+version = "2.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
+
 [[package]]
 name = "num"
 version = "0.4.1"
@@ -662,6 +678,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "rfc6979"
 version = "0.4.0"
diff --git a/wasm/Cargo.toml b/wasm/Cargo.toml
index 26e5408b..568a15a9 100644
--- a/wasm/Cargo.toml
+++ b/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "clvm_tools_wasm"
-version = "0.1.39"
+version = "0.1.40"
 edition = "2018"
 authors = ["Art Yerkes <art.yerkes@gmail.com>"]
 description = "tools for working with chialisp language; compiler, repl, python and wasm bindings"