GML-2167 Release 2.0.1

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## [2.0.1]
+
+### Changed
+- **License changed from Apache 2.0 to AGPL-3.0.** GraphRAG is now distributed under the GNU Affero General Public License v3.0; releases through v2.0.0 remain under Apache 2.0.
+- **Knowledge-graph rebuild shows per-stage progress and flags incomplete work.** The rebuild dialog now shows a progress bar for document processing and for community summarization, reports the community-detection level as it climbs, and ends with a warning — instead of a plain success — when some community summaries could not be generated.
+
+### Fixed
+- **Chat no longer errors with models that return structured content.** Replies from models that respond in typed content blocks — such as Gemini 3 and reasoning models — are read correctly instead of raising a validation error, so Classic mode works with these models again.
+- **Knowledge-graph rebuild no longer hangs when the language model is unreachable.** Community summarization fails fast on a provider outage and stops calling the model after repeated connection failures, so a rebuild finishes instead of looping indefinitely. Communities left unsummarized are marked with a placeholder so they can be regenerated once connectivity is restored.
+
 ## [2.0.0]
 
 ### Added

README.md

@@ -67,6 +67,7 @@
 ---
 
 ## Releases
+* **7/22/2026**: GraphRAG v2.0.1 released. Fixed a chat error with models that return structured content (such as Gemini 3), and hardened knowledge-graph rebuild so it no longer hangs when the language model is unreachable. Relicensed from Apache 2.0 to AGPL-3.0. See [Release Notes](https://github.com/tigergraph/graphrag/releases/tag/v2.0.1) for details.
 * **7/1/2026**: GraphRAG v2.0.0 released. Added an agentic chat engine that plans and runs its own retrieval (Planner and Reactive styles), external MCP tools, and structure-aware document chunking, along with additive prompt customization and many other improvements and bug fixes. See [Release Notes](https://github.com/tigergraph/graphrag/releases/tag/v2.0.0) for details.
 * **6/23/2026**: GraphRAG v1.4.2 released. Added a knowledge graph compatibility check and repair tool to pick up shipped query fixes on existing graphs, along with more reliable ingestion for documents with spaces in their filenames and other improvements and bug fixes. See [Release Notes](https://github.com/tigergraph/graphrag/releases/tag/v1.4.2) for details.
 * **5/30/2026**: GraphRAG v1.4.1 released. Added token-based login and a pre-flight upload conflict check, along with more resilient chat when vector search is unavailable and other improvements and bug fixes. See [Release Notes](https://github.com/tigergraph/graphrag/releases/tag/v1.4.1) for details.
@@ -509,7 +510,7 @@ Copy the below code into `configs/server_config.json`. You shouldn’t need to c
 | `ecc` | string | `"http://graphrag-ecc:8001"` | URL of the knowledge graph build service. No change needed when using the provided Docker Compose file. |
 | `chat_history_api` | string | `"http://chat-history:8002"` | URL of the chat history service. No change needed when using the provided Docker Compose file. |
 | `chunker` | string | `"semantic"` | Default document chunker. Options: `semantic`, `character`, `regex`, `markdown`, `html`, `recursive`. |
-| `extractor` | string | `"llm"` | Entity extraction method. Options: `llm`, `graphrag`. |
+| `extractor` | string | `"llm"` | Entity extraction method. Use `llm` (schema-aware, recommended). `graphrag` is **deprecated** and will be removed in a future release. |
 | `strict_mode` | bool | `false` | Dynamic-schema enforcement during extraction. When `true`, entities and relationships that don't match the domain schema are dropped. When `false` (default), unmatched nodes fall back to generic `Entity` vertices. |
 | `retrieval_include_entity` | bool \| null | `null` (auto) | Whether retriever queries include the generic `Entity` vertex alongside domain types. When unset, the server uses `false` if a domain schema exists and `true` otherwise. Set explicitly to override. |
 | `schema_max_sample_files` | int | `5` | Maximum number of sample documents accepted by the *Generate from sample documents* path on the *Initialize Knowledge Graph* dialog. |
@@ -1142,3 +1143,7 @@ docker compose up -d --build
 
 For adding a new test suite and the broader developer workflow — extending the service with different LLM providers, embedding services, or tools — see the [Developer Guide](./docs/DeveloperGuide.md).
 
+
+## License
+
+GraphRAG is licensed under the [GNU Affero General Public License v3.0](./LICENSE) (AGPL-3.0). Prior releases through v2.0.0 were distributed under the Apache License 2.0.

VERSION

@@ -1 +1 @@
-2.0.0
+2.0.1

common/chunkers/auto.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 """Content-aware chunker dispatcher.
 

common/chunkers/html_chunker.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 from typing import Optional, List, Tuple
 import re

common/chunkers/markdown_chunker.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 from common.chunkers.base_chunker import BaseChunker
 from common.chunkers.separators import TEXT_SEPARATORS

common/chunkers/recursive_chunker.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 from common.chunkers.base_chunker import BaseChunker
 from common.chunkers.separators import TEXT_SEPARATORS

common/chunkers/semantic_chunker.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 from common.chunkers.base_chunker import BaseChunker
 from common.embeddings.embedding_services import EmbeddingModel

common/chunkers/separators.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 TEXT_SEPARATORS = [
     "\n\n",

common/chunkers/structured.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 """Page- and structure-aware chunker (v2.0 — GML-2121).
 

common/config.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 import copy
 import json

common/db/connections.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 import logging
 import asyncio

common/db/query_errors.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 """Helpers for interpreting TigerGraph query create/install results and errors.
 

common/db/query_install.py

@@ -1,16 +1,16 @@
 # Copyright (c) 2024-2026 TigerGraph, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program may be redistributed and/or modified under the terms of the GNU
+# Affero General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 """Batched, timeout-safe query installation.