diff --git a/Cargo.toml b/Cargo.toml
index 1014886..11d88a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "anchors"
-version = "0.5.0"
+version = "0.6.0"
 authors = ["Robert Lord <robert@lord.io>"]
 edition = "2018"
 description = "async incremental computations"
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..34b3fa4
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,3 @@
+# 0.6.0
+
+- Moved a lot of internal machinery into `expert`. As a normal anchors user, you shouldn't need to use anything except stuff exported from `singlethread`!
\ No newline at end of file
diff --git a/src/singlethread.rs b/src/singlethread.rs
index bfb69c9..176f044 100644
--- a/src/singlethread.rs
+++ b/src/singlethread.rs
@@ -503,7 +503,7 @@ struct AnchorDebugInfo {
 }
 
 impl AnchorDebugInfo {
-    fn to_string(&self) -> String {
+    fn _to_string(&self) -> String {
         match self.location {
             Some((name, location)) => format!("{} ({})", location, name),
             None => format!("{}", self.type_info),