diff --git a/drift/CHANGELOG.md b/drift/CHANGELOG.md
index 0a6a047bd..4dba09dc1 100644
--- a/drift/CHANGELOG.md
+++ b/drift/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 2.21.0-dev
+## 2.20.1
 
 - Migrate legacy `package:drift/web.dart` to the new JS interop SDK libraries.
   For backwards compatibility, the `channel()` extension on the `MessagePort`
@@ -7,6 +7,8 @@
   be removed from drift as well.
 - Fix cast errors in the protocol for remote workers when compiling with
   `dart2wasm`.
+- Introduce a faster protocol for communicating with workers. This protocol is
+  enabled automatically after upgrading `drift_worker.js`.
 
 ## 2.20.0
 
diff --git a/drift/lib/src/remote/web_protocol.dart b/drift/lib/src/remote/web_protocol.dart
index 7deb997aa..4b260e6a4 100644
--- a/drift/lib/src/remote/web_protocol.dart
+++ b/drift/lib/src/remote/web_protocol.dart
@@ -1,3 +1,11 @@
+/// This is a variant of `protocol.dart` that, instead of serializing to simple
+/// values (e.g. strings, numbers, blobs and list thereof), serializes to
+/// `JSObject`s.
+///
+/// This has a a few advantages, like avoiding an expensive `jsify`/`dartify`
+/// call afterwards as well a more efficient transport of byte data. Finally, we
+/// have a different encoding for [int] and [double] values that ensures they're
+/// preserved, which is not possible with the default translation on the web.
 // ignore_for_file: constant_identifier_names
 @internal
 library;
diff --git a/drift/pubspec.yaml b/drift/pubspec.yaml
index f5dfd3457..c165285ab 100644
--- a/drift/pubspec.yaml
+++ b/drift/pubspec.yaml
@@ -1,6 +1,6 @@
 name: drift
 description: Drift is a reactive library to store relational data in Dart and Flutter applications.
-version: 2.20.0
+version: 2.20.1
 repository: https://github.com/simolus3/drift
 homepage: https://drift.simonbinder.eu/
 issue_tracker: https://github.com/simolus3/drift/issues
diff --git a/drift_dev/pubspec.yaml b/drift_dev/pubspec.yaml
index cd33a7eea..ce1f43bbc 100644
--- a/drift_dev/pubspec.yaml
+++ b/drift_dev/pubspec.yaml
@@ -1,6 +1,6 @@
 name: drift_dev
 description: Dev-dependency for users of drift. Contains the generator and development tools.
-version: 2.20.2-dev
+version: 2.20.2
 repository: https://github.com/simolus3/drift
 homepage: https://drift.simonbinder.eu/
 issue_tracker: https://github.com/simolus3/drift/issues
diff --git a/sqlparser/pubspec.yaml b/sqlparser/pubspec.yaml
index a66cb42b1..45c43a5dd 100644
--- a/sqlparser/pubspec.yaml
+++ b/sqlparser/pubspec.yaml
@@ -1,6 +1,6 @@
 name: sqlparser
 description: Parses sqlite statements and performs static analysis on them
-version: 0.38.0-dev
+version: 0.38.0
 homepage: https://github.com/simolus3/drift/tree/develop/sqlparser
 repository: https://github.com/simolus3/drift
 #homepage: https://drift.simonbinder.eu/