triggerdotdev · github-actions · Jun 2, 2026
diff --git a/.changeset/pre.json b/.changeset/pre.json
@@ -25,22 +25,29 @@
     "bundle-skills-single-pass",
     "cap-idempotency-key-length",
     "chat-agent-on-boot-hook",
+    "chat-agent-tools",
     "chat-agent",
     "chat-history-read-primitives",
     "chat-session-attributes",
     "chat-slim-wire-merge",
     "chat-start-session-action-typed-client-data",
     "cli-deploy-skip-rewrite-timestamp",
+    "coerce-concurrency-key-to-string",
     "locals-key-dual-package-fix",
     "mcp-agent-chat-sessions",
     "mcp-list-runs-region",
     "mock-chat-agent-test-harness",
+    "mollifier-buffer-extensions",
+    "mollifier-buffer-pipeline-list-entries",
+    "mollifier-drainer-terminal-failure-callback",
     "mollifier-redis-worker-primitives",
+    "mollifier-tag-cap",
     "plugin-auth-path",
     "resource-catalog-runtime-registration",
     "retry-middleware-errors",
     "retry-sigsegv",
     "runs-list-region-filter",
+    "s2-batch-transform-linger-fix",
     "sessions-primitive",
     "trigger-client",
     "unflatten-attributes-conflict",

diff --git a/.server-changes/bump-slack-web-api-axios.md b/.server-changes/bump-slack-web-api-axios.md
diff --git a/.server-changes/mollifier-dashboard.md b/.server-changes/mollifier-dashboard.md
diff --git a/.server-changes/mollifier-drainer-replay.md b/.server-changes/mollifier-drainer-replay.md
diff --git a/.server-changes/mollifier-mutations.md b/.server-changes/mollifier-mutations.md
diff --git a/.server-changes/mollifier-reads.md b/.server-changes/mollifier-reads.md
diff --git a/.server-changes/mollifier-trigger.md b/.server-changes/mollifier-trigger.md
diff --git a/hosting/k8s/helm/Chart.yaml b/hosting/k8s/helm/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: trigger
 description: The official Trigger.dev Helm chart
 type: application
-version: 4.5.0-rc.3
-appVersion: v4.5.0-rc.3
+version: 4.5.0-rc.4
+appVersion: v4.5.0-rc.4
 home: https://trigger.dev
 sources:
   - https://github.com/triggerdotdev/trigger.dev

diff --git a/packages/build/CHANGELOG.md b/packages/build/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @trigger.dev/build
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/build/package.json b/packages/build/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/build",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "trigger.dev build extensions",
   "license": "MIT",
   "publishConfig": {
@@ -78,7 +78,7 @@
   },
   "dependencies": {
     "@prisma/config": "^6.10.0",
-    "@trigger.dev/core": "workspace:4.5.0-rc.3",
+    "@trigger.dev/core": "workspace:4.5.0-rc.4",
     "mlly": "^1.7.1",
     "pkg-types": "^1.1.3",
     "resolve": "^1.22.8",

diff --git a/packages/cli-v3/CHANGELOG.md b/packages/cli-v3/CHANGELOG.md
@@ -1,5 +1,15 @@
 # trigger.dev
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Bump `@s2-dev/streamstore` to `0.22.10` to fix a `TASK_RUN_UNCAUGHT_EXCEPTION` ("Invalid state: Unable to enqueue") when a `chat.agent` turn is aborted mid-stream. ([#3792](https://github.com/triggerdotdev/trigger.dev/pull/3792))
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+  - `@trigger.dev/build@4.5.0-rc.4`
+  - `@trigger.dev/schema-to-json@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/cli-v3/package.json b/packages/cli-v3/package.json
@@ -1,6 +1,6 @@
 {
   "name": "trigger.dev",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "A Command-Line Interface for Trigger.dev projects",
   "type": "module",
   "license": "MIT",
@@ -95,9 +95,9 @@
     "@opentelemetry/sdk-trace-node": "2.0.1",
     "@opentelemetry/semantic-conventions": "1.36.0",
     "@s2-dev/streamstore": "^0.22.10",
-    "@trigger.dev/build": "workspace:4.5.0-rc.3",
-    "@trigger.dev/core": "workspace:4.5.0-rc.3",
-    "@trigger.dev/schema-to-json": "workspace:4.5.0-rc.3",
+    "@trigger.dev/build": "workspace:4.5.0-rc.4",
+    "@trigger.dev/core": "workspace:4.5.0-rc.4",
+    "@trigger.dev/schema-to-json": "workspace:4.5.0-rc.4",
     "ansi-escapes": "^7.0.0",
     "braces": "^3.0.3",
     "c12": "^1.11.1",

diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
@@ -1,5 +1,12 @@
 # internal-platform
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Coerce numeric `concurrencyKey` values to string at the API boundary across `tasks.trigger`, `tasks.batchTrigger`, and the Phase-2 streaming batch endpoint. ([#3789](https://github.com/triggerdotdev/trigger.dev/pull/3789))
+- Bump `@s2-dev/streamstore` to `0.22.10` to fix a `TASK_RUN_UNCAUGHT_EXCEPTION` ("Invalid state: Unable to enqueue") when a `chat.agent` turn is aborted mid-stream. ([#3792](https://github.com/triggerdotdev/trigger.dev/pull/3792))
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/core/package.json b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/core",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "Core code used across the Trigger.dev SDK and platform",
   "license": "MIT",
   "publishConfig": {

diff --git a/packages/plugins/CHANGELOG.md b/packages/plugins/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @trigger.dev/plugins
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/plugins/package.json b/packages/plugins/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/plugins",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "Plugin contracts and interfaces for Trigger.dev",
   "license": "MIT",
   "publishConfig": {

diff --git a/packages/python/CHANGELOG.md b/packages/python/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @trigger.dev/python
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/sdk@4.5.0-rc.4`
+  - `@trigger.dev/core@4.5.0-rc.4`
+  - `@trigger.dev/build@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/python/package.json b/packages/python/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/python",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "Python runtime and build extension for Trigger.dev",
   "license": "MIT",
   "publishConfig": {
@@ -45,7 +45,7 @@
     "check-exports": "attw --pack ."
   },
   "dependencies": {
-    "@trigger.dev/core": "workspace:4.5.0-rc.3",
+    "@trigger.dev/core": "workspace:4.5.0-rc.4",
     "tinyexec": "^0.3.2"
   },
   "devDependencies": {
@@ -56,12 +56,12 @@
     "tsx": "4.17.0",
     "esbuild": "^0.23.0",
     "@arethetypeswrong/cli": "^0.15.4",
-    "@trigger.dev/build": "workspace:4.5.0-rc.3",
-    "@trigger.dev/sdk": "workspace:4.5.0-rc.3"
+    "@trigger.dev/build": "workspace:4.5.0-rc.4",
+    "@trigger.dev/sdk": "workspace:4.5.0-rc.4"
   },
   "peerDependencies": {
-    "@trigger.dev/sdk": "workspace:^4.5.0-rc.3",
-    "@trigger.dev/build": "workspace:^4.5.0-rc.3"
+    "@trigger.dev/sdk": "workspace:^4.5.0-rc.4",
+    "@trigger.dev/build": "workspace:^4.5.0-rc.4"
   },
   "engines": {
     "node": ">=18.20.0"

diff --git a/packages/react-hooks/CHANGELOG.md b/packages/react-hooks/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @trigger.dev/react-hooks
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/react-hooks/package.json b/packages/react-hooks/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/react-hooks",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "trigger.dev react hooks",
   "license": "MIT",
   "publishConfig": {
@@ -37,7 +37,7 @@
     "check-exports": "attw --pack ."
   },
   "dependencies": {
-    "@trigger.dev/core": "workspace:^4.5.0-rc.3",
+    "@trigger.dev/core": "workspace:^4.5.0-rc.4",
     "swr": "^2.2.5"
   },
   "devDependencies": {

diff --git a/packages/redis-worker/CHANGELOG.md b/packages/redis-worker/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @trigger.dev/redis-worker
 
+## 4.5.0-rc.4
+
+### Minor Changes
+
+- Mollifier buffer extensions: idempotency dedup, an atomic `mutateSnapshot` API, metadata CAS, claim primitives, and a `MollifierSnapshot` type. The buffer's Redis client now reconnects with jittered backoff so a fleet of clients doesn't stampede Redis in lockstep after a blip. ([#3752](https://github.com/triggerdotdev/trigger.dev/pull/3752))
+- Add `onTerminalFailure` callback to `MollifierDrainerOptions` so the customer's run lands a SYSTEM_FAILURE PG row even when the drainer exhausts `maxAttempts` on a retryable PG error. Previously, retryable-error exhaustion called `buffer.fail()` directly, which atomically marks FAILED + DELs the entry hash with no PG write — silent data loss when PG was unreachable across the full retry budget. The callback fires before `buffer.fail()` on any terminal path (`cause: "non-retryable"` or `"max-attempts-exhausted"`); throwing a retryable error from the callback causes the drainer to requeue rather than fail. ([#3754](https://github.com/triggerdotdev/trigger.dev/pull/3754))
+
+### Patch Changes
+
+- Pipeline the per-entry `HGETALL` fetches in `MollifierBuffer.listEntriesForEnv`. The previous serial implementation issued one Redis round-trip per runId returned by `LRANGE`, which dominated stale-sweep wall-time at any meaningful backlog (at the sweep's default maxCount=1000, this is ~1000 RTTs per env per pass). Behaviour is unchanged — entries are still skipped when the entry hash has been torn down by a concurrent drainer ack/fail between the LRANGE and the HGETALL. ([#3752](https://github.com/triggerdotdev/trigger.dev/pull/3752))
+- Mollifier `mutateSnapshot` now enforces a tag cap: an `append_tags` patch carrying `maxTags` returns `"limit_exceeded"` (writing nothing) when the deduped tag count would exceed the limit, so a buffered run can't accumulate more tags via the tags API than the trigger validator allows at creation. ([#3756](https://github.com/triggerdotdev/trigger.dev/pull/3756))
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/redis-worker/package.json b/packages/redis-worker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/redis-worker",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "Redis worker for trigger.dev",
   "license": "MIT",
   "publishConfig": {
@@ -23,7 +23,7 @@
     "test": "vitest --sequence.concurrent=false --no-file-parallelism"
   },
   "dependencies": {
-    "@trigger.dev/core": "workspace:4.5.0-rc.3",
+    "@trigger.dev/core": "workspace:4.5.0-rc.4",
     "lodash.omit": "^4.5.0",
     "nanoid": "^5.0.7",
     "p-limit": "^6.2.0",

diff --git a/packages/rsc/CHANGELOG.md b/packages/rsc/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @trigger.dev/rsc
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/rsc/package.json b/packages/rsc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/rsc",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "trigger.dev rsc",
   "license": "MIT",
   "publishConfig": {
@@ -37,14 +37,14 @@
     "check-exports": "attw --pack ."
   },
   "dependencies": {
-    "@trigger.dev/core": "workspace:^4.5.0-rc.3",
+    "@trigger.dev/core": "workspace:^4.5.0-rc.4",
     "mlly": "^1.7.1",
     "react": "19.0.0-rc.1",
     "react-dom": "19.0.0-rc.1"
   },
   "devDependencies": {
     "@arethetypeswrong/cli": "^0.15.4",
-    "@trigger.dev/build": "workspace:^4.5.0-rc.3",
+    "@trigger.dev/build": "workspace:^4.5.0-rc.4",
     "@types/node": "^20.14.14",
     "@types/react": "*",
     "@types/react-dom": "*",

diff --git a/packages/schema-to-json/CHANGELOG.md b/packages/schema-to-json/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @trigger.dev/schema-to-json
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes

diff --git a/packages/schema-to-json/package.json b/packages/schema-to-json/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@trigger.dev/schema-to-json",
-  "version": "4.5.0-rc.3",
+  "version": "4.5.0-rc.4",
   "description": "Convert various schema validation libraries to JSON Schema",
   "license": "MIT",
   "publishConfig": {

diff --git a/packages/trigger-sdk/CHANGELOG.md b/packages/trigger-sdk/CHANGELOG.md
@@ -1,5 +1,24 @@
 # @trigger.dev/sdk
 
+## 4.5.0-rc.4
+
+### Patch Changes
+
+- Add a `tools` option to `chat.agent`. Declaring your tools here threads them into the SDK's internal `convertToModelMessages`, so each tool's `toModelOutput` is re-applied when prior-turn history is re-converted. ([#3790](https://github.com/triggerdotdev/trigger.dev/pull/3790))
+
+  ```ts
+  chat.agent({
+    tools: { readFile, search },
+    run: async ({ messages, tools, signal }) =>
+      streamText({ model, messages, tools, abortSignal: signal }),
+  });
+  ```
+
+  Also exports `InferChatUIMessageFromTools<typeof tools>` to derive the chat `UIMessage` type (typed tool parts) directly from a tool set.
+
+- Updated dependencies:
+  - `@trigger.dev/core@4.5.0-rc.4`
+
 ## 4.5.0-rc.3
 
 ### Patch Changes