v0.12.40 (#18938)

Author: logan-markewich

CHANGELOG.md

@@ -1,5 +1,38 @@
 # ChangeLog
 
+## [2025-06-02]
+
+### `llama-index-core` [0.12.40]
+
+- feat: Add StopEvent step validation so only one workflow step can handle StopEvent (#18932)
+- fix: Add compatibility check before providing `tool_required` to LLM args (#18922)
+
+### `llama-index-embeddings-cohere` [0.5.1]
+
+- fix: add batch size validation with 96 limit for Cohere API (#18915)
+
+### `llama-index-llms-anthropic` [0.7.2]
+
+- feat: Support passing static AWS credentials to Anthropic Bedrock (#18935)
+- fix: Handle untested no tools scenario for anthropic tool config (#18923)
+
+### `llama-index-llms-google-genai` [0.2.1]
+
+- fix: use proper auto mode for google-genai function calling (#18933)
+
+### `llama-index-llms-openai` [0.4.2]
+
+- fix: clear up some field typing issues of OpenAI LLM API (#18918)
+- fix: migrate broken `reasoning_effort` kwarg to `reasoning_options` dict in OpenAIResponses class (#18920)
+
+### `llama-index-tools-measurespace` [0.1.0]
+
+- feat: Add weather, climate, air quality and geocoding tool from Measure Space (#18909)
+
+### `llama-index-tools-mcp` [0.2.3]
+
+- feat: Add headers handling to BasicMCPClient (#18919)
+
 ## [2025-05-30]
 
 ### `llama-index-core` [0.12.39]

docs/docs/CHANGELOG.md

@@ -1,5 +1,38 @@
 # ChangeLog
 
+## [2025-06-02]
+
+### `llama-index-core` [0.12.40]
+
+- feat: Add StopEvent step validation so only one workflow step can handle StopEvent (#18932)
+- fix: Add compatibility check before providing `tool_required` to LLM args (#18922)
+
+### `llama-index-embeddings-cohere` [0.5.1]
+
+- fix: add batch size validation with 96 limit for Cohere API (#18915)
+
+### `llama-index-llms-anthropic` [0.7.2]
+
+- feat: Support passing static AWS credentials to Anthropic Bedrock (#18935)
+- fix: Handle untested no tools scenario for anthropic tool config (#18923)
+
+### `llama-index-llms-google-genai` [0.2.1]
+
+- fix: use proper auto mode for google-genai function calling (#18933)
+
+### `llama-index-llms-openai` [0.4.2]
+
+- fix: clear up some field typing issues of OpenAI LLM API (#18918)
+- fix: migrate broken `reasoning_effort` kwarg to `reasoning_options` dict in OpenAIResponses class (#18920)
+
+### `llama-index-tools-measurespace` [0.1.0]
+
+- feat: Add weather, climate, air quality and geocoding tool from Measure Space (#18909)
+
+### `llama-index-tools-mcp` [0.2.3]
+
+- feat: Add headers handling to BasicMCPClient (#18919)
+
 ## [2025-05-30]
 
 ### `llama-index-core` [0.12.39]

docs/docs/api_reference/tools/measurespace.md

@@ -0,0 +1,4 @@
+::: llama_index.tools.measurespace
+    options:
+      members:
+        - MeasureSpaceToolSpec

docs/mkdocs.yml

@@ -1718,6 +1718,7 @@ nav:
           - ./api_reference/tools/linkup_research.md
           - ./api_reference/tools/load_and_search.md
           - ./api_reference/tools/mcp.md
+          - ./api_reference/tools/measurespace.md
           - ./api_reference/tools/metaphor.md
           - ./api_reference/tools/multion.md
           - ./api_reference/tools/neo4j.md
@@ -2458,6 +2459,7 @@ plugins:
             - ../llama-index-integrations/observability/llama-index-observability-otel
             - ../llama-index-integrations/llms/llama-index-llms-featherlessai
             - ../llama-index-integrations/llms/llama-index-llms-sarvam
+            - ../llama-index-integrations/tools/llama-index-tools-measurespace
   - redirects:
       redirect_maps:
         ./api/llama_index.vector_stores.MongoDBAtlasVectorSearch.html: api_reference/storage/vector_store/mongodb.md

llama-index-core/llama_index/core/__init__.py

@@ -1,6 +1,6 @@
 """Top-level imports for LlamaIndex."""
 
-__version__ = "0.12.39"
+__version__ = "0.12.40"
 
 import logging
 from logging import NullHandler

llama-index-core/pyproject.toml

@@ -33,7 +33,7 @@ dev = [
 
 [project]
 name = "llama-index-core"
-version = "0.12.39"
+version = "0.12.40"
 description = "Interface between LLMs and your data"
 authors = [{name = "Jerry Liu", email = "jerry@llamaindex.ai"}]
 requires-python = ">=3.9,<4.0"

llama-index-core/tests/agent/react/test_react_agent.py

@@ -1,4 +1,5 @@
 import re
+import time
 from typing import Any, List, Sequence
 
 import pytest
@@ -207,6 +208,9 @@ def test_stream_chat_basic(
     expected_answer = MOCK_STREAM_FINAL_RESPONSE.split("Answer: ")[-1].strip()
     assert response.response == expected_answer
 
+    # there is a very small race condition here that the chat history is not updated
+    time.sleep(0.01)
+
     assert agent.chat_history == [
         ChatMessage(
             content="What is 1 + 1?",

llama-index-integrations/llms/llama-index-llms-openai/pyproject.toml

@@ -27,7 +27,7 @@ dev = [
 
 [project]
 name = "llama-index-llms-openai"
-version = "0.4.1"
+version = "0.4.2"
 description = "llama-index llms openai integration"
 authors = [{name = "llama-index"}]
 requires-python = ">=3.9,<4.0"

pyproject.toml

@@ -40,8 +40,8 @@ classifiers = [
 ]
 dependencies = [
     "llama-index-agent-openai>=0.4.0,<0.5",
-    "llama-index-cli>=0.4.1,<0.5",
-    "llama-index-core>=0.12.39,<0.13",
+    "llama-index-cli>=0.4.2,<0.5",
+    "llama-index-core>=0.12.40,<0.13",
     "llama-index-embeddings-openai>=0.3.0,<0.4",
     "llama-index-indices-managed-llama-cloud>=0.4.0",
     "llama-index-llms-openai>=0.4.0,<0.5",
@@ -74,7 +74,7 @@ maintainers = [
 name = "llama-index"
 readme = "README.md"
 requires-python = ">=3.9,<4.0"
-version = "0.12.39"
+version = "0.12.40"
 
 [project.scripts]
 llamaindex-cli = "llama_index.cli.command_line:main"