diff --git a/.changeset/pre.json b/.changeset/pre.json
index 547054c8..f7b7d800 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -9,5 +9,5 @@
     "@amqp-contract/testing": "2.4.0",
     "@amqp-contract/worker": "2.4.0"
   },
-  "changesets": []
+  "changesets": ["adopt-btravstack-0.2", "adopt-unthrown-v5-beta", "consume-btravstack-config"]
 }
diff --git a/packages/asyncapi/CHANGELOG.md b/packages/asyncapi/CHANGELOG.md
index 125b888e..940f0673 100644
--- a/packages/asyncapi/CHANGELOG.md
+++ b/packages/asyncapi/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @amqp-contract/asyncapi
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
+### Patch Changes
+
+- Updated dependencies [9222c06]
+  - @amqp-contract/contract@3.0.0-beta.0
+
 ## 2.4.0
 
 ### Patch Changes
diff --git a/packages/asyncapi/package.json b/packages/asyncapi/package.json
index 958294df..c60b0507 100644
--- a/packages/asyncapi/package.json
+++ b/packages/asyncapi/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/asyncapi",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "AsyncAPI specification generator for amqp-contract",
   "keywords": [
     "amqp",
diff --git a/packages/client/CHANGELOG.md b/packages/client/CHANGELOG.md
index 3f8f1522..836d71aa 100644
--- a/packages/client/CHANGELOG.md
+++ b/packages/client/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @amqp-contract/client
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
+### Patch Changes
+
+- Updated dependencies [fa87d3f]
+- Updated dependencies [9222c06]
+- Updated dependencies [32895df]
+  - @amqp-contract/core@3.0.0-beta.0
+  - @amqp-contract/contract@3.0.0-beta.0
+
 ## 2.4.0
 
 ### Minor Changes
diff --git a/packages/client/package.json b/packages/client/package.json
index a1092d7c..65654bf9 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/client",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "Client utilities for publishing messages using amqp-contract",
   "keywords": [
     "amqp",
diff --git a/packages/contract/CHANGELOG.md b/packages/contract/CHANGELOG.md
index 595ca670..5568824d 100644
--- a/packages/contract/CHANGELOG.md
+++ b/packages/contract/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @amqp-contract/contract
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
 ## 2.4.0
 
 ### Minor Changes
diff --git a/packages/contract/package.json b/packages/contract/package.json
index 18938bd6..4cc54cf0 100644
--- a/packages/contract/package.json
+++ b/packages/contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/contract",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "Contract builder for amqp-contract",
   "keywords": [
     "amqp",
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 33a5b7ba..c9c94094 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,5 +1,18 @@
 # @amqp-contract/core
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
+### Patch Changes
+
+- fa87d3f: Adopt @btravstack/tsconfig@0.2.0 (verbatimModuleSyntax), @btravstack/oxlint@0.2.1 (consistent-type-imports), @btravstack/lefthook, and the oxfmt sortImports fix.
+- 32895df: Consume the shared `@btravstack/tsconfig` / `@btravstack/typedoc` published config directly (the local `tools/*` packages are removed; consumers now extend `@btravstack/*` and take it from the catalog).
+- Updated dependencies [9222c06]
+  - @amqp-contract/contract@3.0.0-beta.0
+
 ## 2.4.0
 
 ### Minor Changes
diff --git a/packages/core/package.json b/packages/core/package.json
index 325c7e37..af6fd452 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/core",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "Core utilities for AMQP setup and management in amqp-contract",
   "keywords": [
     "amqp",
diff --git a/packages/testing/CHANGELOG.md b/packages/testing/CHANGELOG.md
index 85d62643..57b41b09 100644
--- a/packages/testing/CHANGELOG.md
+++ b/packages/testing/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @amqp-contract/testing
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
 ## 2.4.0
 
 ## 2.3.0
diff --git a/packages/testing/package.json b/packages/testing/package.json
index 40181186..bc8c8810 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/testing",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "Testing utilities for AMQP contracts with testcontainers",
   "keywords": [
     "amqp",
diff --git a/packages/worker/CHANGELOG.md b/packages/worker/CHANGELOG.md
index 83b55927..962c9ab1 100644
--- a/packages/worker/CHANGELOG.md
+++ b/packages/worker/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @amqp-contract/worker
 
+## 3.0.0-beta.0
+
+### Major Changes
+
+- 9222c06: Adopt unthrown v5 (beta): error combinators and `match`'s `err` handler now take a ts-pattern matcher callback; peer bumped to `^5.0.0-beta.3`.
+
+### Patch Changes
+
+- Updated dependencies [fa87d3f]
+- Updated dependencies [9222c06]
+- Updated dependencies [32895df]
+  - @amqp-contract/core@3.0.0-beta.0
+  - @amqp-contract/contract@3.0.0-beta.0
+
 ## 2.4.0
 
 ### Minor Changes
diff --git a/packages/worker/package.json b/packages/worker/package.json
index 356e195f..b6841323 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@amqp-contract/worker",
-  "version": "2.4.0",
+  "version": "3.0.0-beta.0",
   "description": "Worker utilities for consuming messages using amqp-contract",
   "keywords": [
     "amqp",