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Hello community,
here is the log from the commit of package python-langchain-anthropic for
openSUSE:Factory checked in at 2026-08-14 22:06:53
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/python-langchain-anthropic (Old)
and /work/SRC/openSUSE:Factory/.python-langchain-anthropic.new.1258 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "python-langchain-anthropic"
Fri Aug 14 22:06:53 2026 rev:7 rq:1371027 version:1.5.6
Changes:
--------
---
/work/SRC/openSUSE:Factory/python-langchain-anthropic/python-langchain-anthropic.changes
2026-08-12 16:13:27.960901189 +0200
+++
/work/SRC/openSUSE:Factory/.python-langchain-anthropic.new.1258/python-langchain-anthropic.changes
2026-08-14 22:07:12.199490503 +0200
@@ -1,0 +2,11 @@
+Thu Aug 13 11:13:11 UTC 2026 - Martin Pluskal <[email protected]>
+
+- Update to 1.5.6:
+ * Normalize tool_search_tool_result blocks so that streaming-only
+ index fields are no longer sent back to the Anthropic API
+ * Correct model profile data for Claude Fable 5, Sonnet 5 and
+ Opus 4.1: structured output is now advertised for Fable 5 and
+ Sonnet 5, Fable 5 gains reasoning-effort levels, and the stale
+ Opus 4.1 profile override was dropped
+
+-------------------------------------------------------------------
Old:
----
langchain_anthropic-1.5.5.tar.gz
New:
----
langchain_anthropic-1.5.6.tar.gz
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other differences:
------------------
++++++ python-langchain-anthropic.spec ++++++
--- /var/tmp/diff_new_pack.pArR25/_old 2026-08-14 22:07:13.238528333 +0200
+++ /var/tmp/diff_new_pack.pArR25/_new 2026-08-14 22:07:13.240528406 +0200
@@ -18,7 +18,7 @@
%{?sle15_python_module_pythons}
Name: python-langchain-anthropic
-Version: 1.5.5
+Version: 1.5.6
Release: 0
Summary: Integration package connecting Claude (Anthropic) APIs and
LangChain
License: MIT
++++++ langchain_anthropic-1.5.5.tar.gz -> langchain_anthropic-1.5.6.tar.gz
++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.5.5/PKG-INFO
new/langchain_anthropic-1.5.6/PKG-INFO
--- old/langchain_anthropic-1.5.5/PKG-INFO 2020-02-02 01:00:00.000000000
+0100
+++ new/langchain_anthropic-1.5.6/PKG-INFO 2020-02-02 01:00:00.000000000
+0100
@@ -1,6 +1,6 @@
Metadata-Version: 2.5
Name: langchain-anthropic
-Version: 1.5.5
+Version: 1.5.6
Summary: Integration package connecting Claude (Anthropic) APIs and LangChain
Project-URL: Homepage,
https://docs.langchain.com/oss/python/integrations/providers/anthropic
Project-URL: Documentation,
https://reference.langchain.com/python/integrations/langchain_anthropic/
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.5.5/langchain_anthropic/_version.py
new/langchain_anthropic-1.5.6/langchain_anthropic/_version.py
--- old/langchain_anthropic-1.5.5/langchain_anthropic/_version.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.5.6/langchain_anthropic/_version.py
2020-02-02 01:00:00.000000000 +0100
@@ -1,3 +1,3 @@
"""Version information for `langchain-anthropic`."""
-__version__ = "1.5.5"
+__version__ = "1.5.6"
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.5.5/langchain_anthropic/chat_models.py
new/langchain_anthropic-1.5.6/langchain_anthropic/chat_models.py
--- old/langchain_anthropic-1.5.5/langchain_anthropic/chat_models.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.5.6/langchain_anthropic/chat_models.py
2020-02-02 01:00:00.000000000 +0100
@@ -672,6 +672,23 @@
},
),
)
+ elif block["type"] == "tool_search_tool_result":
+ # Omit streaming-only fields, such as `index`, from
results.
+ content.append(
+ _normalize_block_tool_use_id(
+ {
+ k: v
+ for k, v in block.items()
+ if k
+ in (
+ "type",
+ "content",
+ "tool_use_id",
+ "cache_control",
+ )
+ },
+ ),
+ )
elif block["type"] == "tool_result":
# Regular tool results that need content formatting
tool_content = _format_messages(
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.5.5/langchain_anthropic/data/_profiles.py
new/langchain_anthropic-1.5.6/langchain_anthropic/data/_profiles.py
--- old/langchain_anthropic-1.5.5/langchain_anthropic/data/_profiles.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.5.6/langchain_anthropic/data/_profiles.py
2020-02-02 01:00:00.000000000 +0100
@@ -34,13 +34,21 @@
"video_outputs": False,
"reasoning_output": True,
"tool_calling": True,
- "structured_output": False,
+ "structured_output": True,
"attachment": True,
"temperature": False,
"image_url_inputs": True,
"pdf_tool_message": True,
"image_tool_message": True,
"tool_call_streaming": True,
+ "reasoning_effort_levels": [
+ "low",
+ "medium",
+ "high",
+ "xhigh",
+ "max",
+ ],
+ "reasoning_effort_default": "high",
},
"claude-haiku-4-5": {
"name": "Claude Haiku 4.5 (latest)",
@@ -94,14 +102,6 @@
"image_tool_message": True,
"tool_call_streaming": True,
},
- "claude-opus-4-1": {
- "image_url_inputs": True,
- "pdf_inputs": True,
- "pdf_tool_message": True,
- "image_tool_message": True,
- "structured_output": True,
- "tool_call_streaming": True,
- },
"claude-opus-4-5": {
"name": "Claude Opus 4.5 (latest)",
"release_date": "2025-11-24",
@@ -404,7 +404,7 @@
"video_outputs": False,
"reasoning_output": True,
"tool_calling": True,
- "structured_output": False,
+ "structured_output": True,
"attachment": True,
"temperature": False,
"image_url_inputs": True,
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.5.5/langchain_anthropic/data/profile_augmentations.toml
new/langchain_anthropic-1.5.6/langchain_anthropic/data/profile_augmentations.toml
---
old/langchain_anthropic-1.5.5/langchain_anthropic/data/profile_augmentations.toml
2020-02-02 01:00:00.000000000 +0100
+++
new/langchain_anthropic-1.5.6/langchain_anthropic/data/profile_augmentations.toml
2020-02-02 01:00:00.000000000 +0100
@@ -19,9 +19,6 @@
reasoning_effort_levels = ["low", "medium", "high", "max"]
reasoning_effort_default = "high"
-[overrides."claude-opus-4-1"]
-structured_output = true
-
[overrides."claude-opus-4-5"]
structured_output = true
reasoning_effort_levels = ["low", "medium", "high"]
@@ -52,5 +49,11 @@
reasoning_effort_default = "high"
[overrides."claude-sonnet-5"]
+structured_output = true
+reasoning_effort_levels = ["low", "medium", "high", "xhigh", "max"]
+reasoning_effort_default = "high"
+
+[overrides."claude-fable-5"]
+structured_output = true
reasoning_effort_levels = ["low", "medium", "high", "xhigh", "max"]
reasoning_effort_default = "high"
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.5.5/pyproject.toml
new/langchain_anthropic-1.5.6/pyproject.toml
--- old/langchain_anthropic-1.5.5/pyproject.toml 2020-02-02
01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.5.6/pyproject.toml 2020-02-02
01:00:00.000000000 +0100
@@ -20,7 +20,7 @@
"Topic :: Scientific/Engineering :: Artificial Intelligence",
]
-version = "1.5.5"
+version = "1.5.6"
requires-python = ">=3.10.0,<4.0.0"
dependencies = [
"anthropic>=0.120.0,<1.0.0",
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.5.5/tests/unit_tests/test_chat_models.py
new/langchain_anthropic-1.5.6/tests/unit_tests/test_chat_models.py
--- old/langchain_anthropic-1.5.5/tests/unit_tests/test_chat_models.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.5.6/tests/unit_tests/test_chat_models.py
2020-02-02 01:00:00.000000000 +0100
@@ -3356,6 +3356,35 @@
assert tool_result_block["content"][1]["tool_name"] == "weather_forecast"
+# Regression test for https://github.com/langchain-ai/langchain/issues/37584
+def test__format_messages_tool_search_result_drops_streaming_index() -> None:
+ """Test that streaming-only indexes are not sent to Anthropic."""
+ messages = [
+ AIMessage( # type: ignore[misc]
+ [
+ {
+ "type": "tool_search_tool_result",
+ "tool_use_id": "srvtoolu_123",
+ "content": [
+ {"type": "tool_reference", "tool_name": "get_weather"},
+ ],
+ "index": 1,
+ },
+ ],
+ ),
+ ]
+
+ _, formatted = _format_messages(messages)
+
+ assert formatted[0]["content"][0] == {
+ "type": "tool_search_tool_result",
+ "tool_use_id": "srvtoolu_123",
+ "content": [
+ {"type": "tool_reference", "tool_name": "get_weather"},
+ ],
+ }
+
+
def test_auto_append_betas_for_mcp_servers() -> None:
"""Test that `mcp-client-2025-11-20` beta is automatically appended
for `mcp_servers`."""
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.5.5/uv.lock
new/langchain_anthropic-1.5.6/uv.lock
--- old/langchain_anthropic-1.5.5/uv.lock 2020-02-02 01:00:00.000000000
+0100
+++ new/langchain_anthropic-1.5.6/uv.lock 2020-02-02 01:00:00.000000000
+0100
@@ -617,7 +617,7 @@
[[package]]
name = "langchain-anthropic"
-version = "1.5.5"
+version = "1.5.6"
source = { editable = "." }
dependencies = [
{ name = "anthropic" },
