diff --git a/Cargo.toml b/Cargo.toml
index 60fe1ebe7..f41349934 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ resolver = "2"
 edition = "2021"
 
 [workspace.dependencies]
-differential-dataflow = { path = "differential-dataflow", default-features = false, version = "0.19.1" }
+differential-dataflow = { path = "differential-dataflow", default-features = false, version = "0.20.0" }
 timely = { version = "0.26", default-features = false }
 columnar = { version = "0.11", default-features = false }
 #timely = { path = "../timely-dataflow/timely/", default-features = false }
diff --git a/differential-dataflow/CHANGELOG.md b/differential-dataflow/CHANGELOG.md
index f3001691f..11ec34540 100644
--- a/differential-dataflow/CHANGELOG.md
+++ b/differential-dataflow/CHANGELOG.md
@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.20.0](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dataflow-v0.19.1...differential-dataflow-v0.20.0) - 2026-02-20
+
+### Other
+
+- Test mdbook like a crate ([#669](https://github.com/TimelyDataflow/differential-dataflow/pull/669))
+- Migrate Join logic away from traits ([#668](https://github.com/TimelyDataflow/differential-dataflow/pull/668))
+- More `VecCollection` demotion ([#667](https://github.com/TimelyDataflow/differential-dataflow/pull/667))
+- Implement utility traits for Rc collections ([#666](https://github.com/TimelyDataflow/differential-dataflow/pull/666))
+- Deprioritize the `Vec` container ([#664](https://github.com/TimelyDataflow/differential-dataflow/pull/664))
+
 ## [0.19.1](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dataflow-v0.19.0...differential-dataflow-v0.19.1) - 2026-02-06
 
 ### Other
diff --git a/differential-dataflow/Cargo.toml b/differential-dataflow/Cargo.toml
index a421d96ee..d0d1a159a 100644
--- a/differential-dataflow/Cargo.toml
+++ b/differential-dataflow/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "differential-dataflow"
-version = "0.19.1"
+version = "0.20.0"
 authors = ["Frank McSherry <fmcsherry@me.com>"]
 
 description = "An incremental data-parallel dataflow platform"
diff --git a/dogsdogsdogs/CHANGELOG.md b/dogsdogsdogs/CHANGELOG.md
index 3f542b9c8..6608c3d09 100644
--- a/dogsdogsdogs/CHANGELOG.md
+++ b/dogsdogsdogs/CHANGELOG.md
@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.20.0](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.19.1...differential-dogs3-v0.20.0) - 2026-02-20
+
+### Other
+
+- Test mdbook like a crate ([#669](https://github.com/TimelyDataflow/differential-dataflow/pull/669))
+- Migrate Join logic away from traits ([#668](https://github.com/TimelyDataflow/differential-dataflow/pull/668))
+- More `VecCollection` demotion ([#667](https://github.com/TimelyDataflow/differential-dataflow/pull/667))
+- Deprioritize the `Vec` container ([#664](https://github.com/TimelyDataflow/differential-dataflow/pull/664))
+
 ## [0.19.1](https://github.com/TimelyDataflow/differential-dataflow/compare/differential-dogs3-v0.19.0...differential-dogs3-v0.19.1) - 2026-02-06
 
 ### Other
diff --git a/dogsdogsdogs/Cargo.toml b/dogsdogsdogs/Cargo.toml
index fa40e9adf..59c5a13a5 100644
--- a/dogsdogsdogs/Cargo.toml
+++ b/dogsdogsdogs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "differential-dogs3"
-version = "0.19.1"
+version = "0.20.0"
 authors = ["Frank McSherry <fmcsherry@me.com>"]
 license = "MIT"
 edition.workspace = true