langchain-aws==1.6.2

What's Changed

• feat(aws): Support Claude Fable and Sonnet 5 by Michael Chin (@michaelnchin) in #1140
• fix(aws): Allow thinking + forced tool use on Claude Opus 4.8 and Claude 5 by Michael Chin (@michaelnchin) in #1141
• fix(aws): stabilize Bedrock Converse streaming cassette by Mason Daugherty (@mdrxy) in #1134
• fix(aws): stabilize Bedrock Converse agent-loop cassette by Mason Daugherty (@mdrxy) in #1136
• test(aws): retry Nova stream read timeouts by Mason Daugherty (@mdrxy) in #1137
• release(aws): 1.6.2 by Michael Chin (@michaelnchin) in #1149

Full Changelog: langgraph-checkpoint-aws==1.2.0...langchain-aws==1.6.2

langgraph-checkpoint-aws==1.2.0

What's Changed

• feat(langgraph-checkpoint-aws): Support hierarchical namespace search in AgentCoreMemoryStore by Michael Chin (@michaelnchin) in #1138
• release(langgraph-checkpoint-aws): 1.2.0 by Michael Chin (@michaelnchin) in #1145

Full Changelog: langchain-aws==1.6.1...langgraph-checkpoint-aws==1.2.0

langchain-aws==1.6.1

What's Changed

• fix(aws): strip null anyOf variants to stay within Bedrock 16-union-type limit by evipani in #1114
• fix(aws): Omit per-tool-call suffix from AgentCore code interpreter tool checkpoint_ns by Michael Chin (@michaelnchin) in #1130
• fix(aws): reclassify Nova-1 inline reasoning out of user-facing content (#783) by Islam Elkadi (@islamelkadi) in #1111
• test(aws): clarify xfail reasons for Bedrock mixed text+tool_use turn by Mason Daugherty (@mdrxy) in #1118
• fix(aws): accept streaming init param on ChatBedrockConverse by Lucas Kim (@kimnamu) in #1115
• test(aws): make Nova tool-call thinking regression robust by Mason Daugherty (@mdrxy) in #1124
• test(aws): update Bedrock Meta standard model by Mason Daugherty (@mdrxy) in #1125
• test(aws): restore stable Bedrock Meta standard model by Mason Daugherty (@mdrxy) in #1126
• chore: bump the actions-dependencies group with 2 updates by Dependabot (@dependabot)[bot] in #1131
• release(aws): 1.6.1 by Michael Chin (@michaelnchin) in #1132

New Contributors

• Islam Elkadi (@islamelkadi) made their first contribution in #1111
• evipani made their first contribution in #1114

Full Changelog: langchain-aws==1.6.0...langchain-aws==1.6.1

langchain-agentcore-codeinterpreter==0.0.5

What's Changed

• fix(agentcore-codeinterpreter): resolve read-plane paths against sandbox cwd by A M (@kzamin) in #1104
• test(agentcore-codeinterpreter): Add read-plane cwd round-trip integration tests by Michael Chin (@michaelnchin) in #1121
• fix(agentcore-codeinterpreter): Override additional BaseSandbox async helpers by Michael Chin (@michaelnchin) in #1127
• chore: update workflow key name by Mason Daugherty (@mdrxy) in #1119
• chore: bump the uv group across 3 directories with 1 update by Dependabot (@dependabot)[bot] in #1120
• release(agentcore-codeinterpreter): 0.0.5 by Michael Chin (@michaelnchin) in #1122

New Contributors

• A M (@kzamin) made their first contribution in #1104

Full Changelog: langchain-agentcore-codeinterpreter==0.0.4...langchain-agentcore-codeinterpreter==0.0.5

langchain-aws==1.6.0

What's Changed

• feat(aws): surface per-TTL cache breakdown from cacheDetails by Raz Shahriar (@onraz) in #1098
  • ⚠️ Breaking Change: When Bedrock returns cacheDetails, input_token_details["cache_creation"] is now 0 and cache-write tokens move to the new TTL-specific ephemeral_5m_input_tokens/ephemeral_1h_input_tokens keys.
• feat(aws): add langchain-aws version metadata to models by Mason Daugherty (@mdrxy) in #1102
• docs(aws): clarify prompt caching middleware and helper docstrings by Mason Daugherty (@mdrxy) in #1112
• fix(aws): omit temperature/top_p for models that don't support them by Lucas Kim (@kimnamu) in #1095
• fix: preserve non-ASCII in tool, schema, and Bedrock-agent JSON serialization by Humphrey (@HumphreySun98) in #1085
• test(aws): give each output_version its own VCR cassette by Mason Daugherty (@mdrxy) in #1097
• test(aws): Update integ for per TTL cache stats support by Michael Chin (@michaelnchin) in #1108
• chore(aws): Add unit tests for non-ASCII preservation by Michael Chin (@michaelnchin) in #1086
• chore: bump the uv group across 2 directories with 3 updates by Dependabot (@dependabot)[bot] in #1109
• chore(agentcore-codeinterpreter): bump langchain and langchain-anthropic by Michael Chin (@michaelnchin) in #1110
• release(aws): 1.6.0 by Michael Chin (@michaelnchin) in #1113

New Contributors

• Humphrey (@HumphreySun98) made their first contribution in #1085
• Raz Shahriar (@onraz) made their first contribution in #1098

Full Changelog: langgraph-checkpoint-aws==1.1.1...langchain-aws==1.6.0

langgraph-checkpoint-aws==1.1.1

What's Changed

• feat(langgraph-checkpoint-aws): add batch flush for DeferredCheckpointSaver #1016 by Keyur Patel (@Keyur-S-Patel) in #1091
• fix(agentcore-codeinterpreter): send binary uploads as raw blobs by WOLIKIMCHENG in #1089
• test(langgraph-checkpoint-aws): Increase async concurrency timing thresholds for tests on Python 3.10 by Michael Chin (@michaelnchin) in #1106
• release(langgraph-checkpoint-aws): 1.1.1 by Michael Chin (@michaelnchin) in #1107

New Contributors

• WOLIKIMCHENG made their first contribution in #1089

Full Changelog: langchain-aws==1.5.1...langgraph-checkpoint-aws==1.1.1

langchain-aws==1.5.1

What's Changed

• feat(aws): Enable streaming for prompt_prefill structured output mode by Michael Chin (@michaelnchin) in #1042
• fix(aws): Fixed prompt prefill instructions to match Pydantic format by gabrielrfg in #1058
• test(aws): make test_tool_use_with_cache_point deterministic by Mason Daugherty (@mdrxy) in #1056
• test(aws): add additional test guidance by Mason Daugherty (@mdrxy) in #1059
• test(aws): fix yaml parse error in test_request_headers by Mason Daugherty (@mdrxy) in #1060
• test(aws): make ChatAnthropicBedrock region tests hermetic by Mason Daugherty (@mdrxy) in #1061
• test(aws): make test_request_headers robust to credential-resolution requests by Mason Daugherty (@mdrxy) in #1062
• test(aws): silence pending deprecation and PDF user warnings in test runs by Mason Daugherty (@mdrxy) in #1063
• test(aws): scope PDF filename warning filter via pytestmark by Mason Daugherty (@mdrxy) in #1066
• test(aws): capture Bedrock header assertions with botocore hook by Mason Daugherty (@mdrxy) in #1068
• test(aws): make integration cassettes survive a live re-record by Mason Daugherty (@mdrxy) in #1074
• test(aws): log VCR request body on cassette mismatch (temporary debug) by Mason Daugherty (@mdrxy) in #1078
• test(aws): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning by Mason Daugherty (@mdrxy) in #1079
• test(aws): silence third-party pydantic deprecation warning in pytest by Mason Daugherty (@mdrxy) in #1081
• chore: bump starlette from 1.0.0 to 1.0.1 in /libs/aws in the uv group across 1 directory by Dependabot (@dependabot)[bot] in #1080
• release(aws): 1.5.1 by Michael Chin (@michaelnchin) in #1084

Full Changelog: langchain-aws==1.5.0...langchain-aws==1.5.1

langchain-agentcore-codeinterpreter==0.0.4

What's Changed

• fix(agentcore-codeinterpreter): fix write() path doubling and PermissionError when sandbox cwd != / by Alex Gatto (@awg66) in #1073
• fix(agentcore-codeinterpreter): resolve to correct download_files() path when sandbox cwd is not root by Michael Chin (@michaelnchin) in #1076
• release(agentcore-codeinterpreter): 0.0.4 by Michael Chin (@michaelnchin) in #1077

Full Changelog: langgraph-checkpoint-aws==1.1.0...langchain-agentcore-codeinterpreter==0.0.4

langgraph-checkpoint-aws==1.1.0

What's Changed

• feat(langgraph-checkpoint-aws): Set default Valkey client name if not provided by user by Michael Chin (@michaelnchin) in #1065
• fix(langgraph-checkpoint-aws): run DynamoDBSaver.alist off the event loop by Lucas Kim (@kimnamu) in #1072
• chore(langgraph-checkpoint-aws): Reorganize for logical package structure per service by Michael Chin (@michaelnchin) in #1067
  • NOTE: This breaks some submodule import paths. Please switch to using top-level imports instead.
• release(langgraph-checkpoint-aws): 1.1.0 by Michael Chin (@michaelnchin) in #1075

New Contributors

• Lucas Kim (@kimnamu) made their first contribution in #1072

Full Changelog: langchain-agentcore-codeinterpreter==0.0.3...langgraph-checkpoint-aws==1.1.0

langchain-aws==1.5.0

What's Changed

• fix(aws): trace runtime model override by Mason Daugherty (@mdrxy) in #1048
• chore: Bump langsmith + langchain-classic in lockfiles by Michael Chin (@michaelnchin) in #1049
• fix(aws): use resolved base model for ChatBedrockConverse tracing by ccurme (@ccurme) in #1045
• release(aws): 1.5.0 by ccurme (@ccurme) in #1052

Full Changelog: langchain-aws==1.4.7...langchain-aws==1.5.0