What's Changed

Sprint 5 (3-9 Feb, 2025)
설연휴 이후 Wins and successes of the Open tutorial project 5주차 버전입니다.

• [E-2] 17-LangGraph / 01-Core-Features / 11-LangGraph-Branching by @seofield in #515
• [E-4] 17-LangGraph / 03-Use-Cases / 05_LangGraph_Plan_and_Execute by @ranian963 in #537
• [E-2] 17-LangGraph/01-Core-Features /10-LnagGraph-ToolNode by @jhboyo in #572
• [E-2] 17-LangGraph / 09-DeleteMessages by @suhyun0115 in #569
• [E-1] 14-Chains / 03-StructuredOutputChain by @ThePurpleCollar in #575
• [E-4] 15-Agent / 04-Agent-More-LLMs by @jhboyo in #567
• [E-1] 14-Chains / 04-Structured-Data-Chat by @hong-seongmin in #555
• [E-1] 14-Chains / 02-SQL by @jinucho in #549
• [N-1] / [06-DocumentLoader]/09-JSONLoader by @leebeanbin in #542
• [N-3] / [17-LangGraph]/ 16-LangGraph-SemanticSearch by @leebeanbin in #541
• [E-1] 10-Retriever / 10-Kiwi-BM25-Retriever #415 by @jeongkpa in #509
• [E-2] 17-LangGraph / 01-Core-Features / 12-Conversation-Summaries-with-LangGraph by @JunseongKim1104 in #483
• [E-1] 17-LangGraph / 01-Core-Features / 02-LangGraph-ChatBot by @r14minji in #469
• [E-3] 17-LangGraph/02-Structures/LangGraph-Add-Query-Rewrite by @sunworl in #488
• [E-1] 10-Retriever / 07-MultiVectorRetriever by @sirena1 in #603
• [N-2] 09-VectorStore / utils DocumentManagerInterface.py by @sohyunwriter in #581
• [E-4] 13-LECL / 06-Configure-Runtime-Chain-Components by @kofsitho87 in #588
• [N-1] 06-DocumentLoader / 02-PDFLoader by @ppakyeah in #587
• [E-4] 17-LangGraph / 03-Use-Cases / 08-Hierarchical-Multi-Agent-Teams by @harheem in #490
• Proofread: < 16-Evaluations / 02-Evaluation-using-RAGAS > by @rlatjcj in #546
• [E-2] 16-Evaluations / 03-HF-Upload.ipynb by @LEE1026icarus in #421
• [E-3] 17-LangGraph/02-Structures-LangGraph-Add-Groundedness-Check.ipynb by @jeongkpa in #471
• [E-2] 16-Evaluations / 04-LangSmith-Dataset by @r14minji in #485

Full Changelog: v0.0.3...v0.0.4

What's Changed

Sprint 4 (19-26 Jan, 2025)
Wins and successes of the Open tutorial project 4주차 버전입니다.

• [N-2] 09-VectorStore / 07-MongoDB-Atlas by @ivybae in #264
• [E-3]-16-Evaluation / 14-LangSmith-Online-Evaluation by @jeongkpa in #324
• [N-2] 09-VectorStore / 10-Weaviate by @IHAGI-c in #389
• [N-1] 06-DocumentLoader / 04-CSV-Loader by @jhboyo in #426
• [E-4] 05-Memory / 02-ConversationBufferWindowMemory by @gyjong in #434
• [N-2] 07-TextSplitter/03-TokenTextSplitter by @johnny9210 in #462
• [E-4] 13-LangChain-Expression-Language / 04-Routing 이슈 사항 반영 by @jinucho in #443
• [E-4] 13-LCEL / 10-Binding by @BaBetterB in #448
• [E-2] 11-Reranker / 04-FlashRank-Reranker by @forwardyoung in #455
• [N-2] 09-VectorStore / 09-Neo4j by @XaviereKU in #447
• [N-1] 06-DocumentLoader / 03-WebBaseLoader.ipynb by @HarryKane11 in #436
• [N-1] 03-GraphDB / 04-MovieQASystem by @MoonHeesun in #247
• [E-2] 16-Evaluations / 05-LangSmith-LLM-as-Judge by @architectyou in #380
• [N-2] 07-Text Splitter / 04-SemanticChunker by @BaBetterB in #461
• Create directory structure for 17-LangGraph by @rlatjcj in #474
• [GitBook] upload posts 2025.01.21 by @sooyoung-wind in #487
• [N-2] 09-VectorStore / 04-Pinecone by @ro-jun in #275
• [N-1] 04-GraphRAG / 08-AcademicQASystem by @dancing-with-coffee in #291
• [E-4] 05-Memory / 10-Conversation-With-History by @realjoonha in #444
• [E-1] 10-Retriever / 06-MultiQueryRetriever by @hong-seongmin in #441
• English translation of templates by @touseefahmed96 in #478
• [N-3] 13-Langchain-Expression-Language / 04-Routing by @leebeanbin in #277
• [E-4] 15-Agent / 02-Bind-Tools by @geminii01 in #482
• [E-4] 13-LCEL / 08-RunnableWithMessageHistory by @Secludor in #481
• [E-4] 13-LCEL / 05-RunnableParallel by @geminii01 in #480
• docs: update README.md by @eltociear in #463
• E-2] 03-OutputParser / 05- PandasDataFrameOutputParser by @brian604 in #442
• Proofread: < 12-RAG /03-RAG-Advanced > by @Jae-hoya in #445
• [E-4] 13-LangChain-Expression-Language/01-RunnablePassThrough by @suhyun0115 in #449
• Proofread: < 05-Memory / 01-ConversationBufferMemory > by @rlatjcj in #460
• [N-1] 06-DocumentLoader / 04-CSV-Loader by @jhboyo in #493
• [E-4] 15-Agent / 03-Agent by @gyjong in #504
• [E-4] 13-LangChain-Expression-Language / 11-Fallbacks by @IHAGI-c in #496
• [N-1] 05-AIMemoryManagementSystem / 09-ConversationMemoryManagementSystem by @syshin0116 in #245
• [E-2] 17-LangGraph / 10-ToolNode by @jhboyo in #457
• 12-RAG / 01-RAG-Basic-PDF revise by @LEE1026icarus in #458
• [E-1] 17-LangGraph / 01-Core-Features / 04-LangGraph-Agent-With-Memory by @Hye-yoonJeong in #468
• [E-1] 01-BASIC / 01-Follow the Installation Video_Mac by @ThePurpleCollar in #500
• [N-3] 17-LangGraph / 01-Core-Features / 16-LangGraph-Errors by @seofield in #392
• [E-2] 17-LangGraph/01-Core-Features/09-DeleteMessages by @suhyun0115 in #450
• [E-4]13-LCEL / 09-Generator by @JunseongKim1104 in #484
• 13-LangChain-Expression-Language/01-RunnablePassthrough by @suhyun0115 in #518
• 15-Agent/10-TwoAgentDebateWithTools by @suhyun0115 in #539
• [N-1] 06-DocumentLoader / 01-DocumentLoader by @geminii01 in #479
• [E-1] 17-LangGraph / 01-Core-Features / 03-LangGraph-Agent by @ErikaPark in #486
• [E-4] 17-LangGraph / 03-Use Cases / 02-LangGraph-Prompt-Generation by @gyjong in #495
• [E-3] 17-LangGraph / 02-Structures / 06-LangGraph-Agentic-RAG by @MoonHeesun in #531
• [E-1] 17-LangGraph/01-CoreFeatures/14-LangGraph-Subgraph-Transform-State by @BokyungisaGod in #535
• [E-4] 17-LangGraph / 03-Use-Cases / 07-LangGraph-Multi-Agent-Supervisor by @rlatjcj in #507
• [E-3] 17-LangGraph / 02-Structures / 01-LangGraph-Building-Graphs by @stsr1284 in #519
• Upload files for LangGraph by @gyjong in #559
• [Gitbook] upload posts in 2025.01.25 by @sooyoung-wind in #558
• [E-2] 17-LangGraph / 01-Core-Features / 15-LangGraph-Streaming-steps by @ppakyeah in #508
• [E-1] 17-LangGraph / 01-Core-Features / 06-LangGraph-Human-in-the-loop by @geminii01 in #512
• [E-2] 17-LangGraph / 01-Core-Features / 13-LangGraph-Subgraph by @architectyou in #514
• [E-4] 17-LangGraph/03-Use-Cases/01-LangGraph-Agent-Simulation by @choincnp in #534
• [E-4] 17-LangGraph / 03-Use-Cases / 06-Multi-Agent-Collaboration by @Normalist-K in #547
• [E-4] 17-LangGraph / 03-Use-Cases / 10-LangGraph-Research-Assistant by @Secludor in #530
• [E-1] 17-LangGraph / 01-Core-Features / 08-LangGraph-State-Customization by @forwardyoung in #472
• [E-3] 17-LangGraph / 02-Structures / 02-LangGraph-Naive-RAG by @choincnp in #516
• [E-1] 17-LangGraph / 01-Core-Features / 01-LangGraph-Introduction by @ThePurpleCollar in #499

New Contributors

• @realjoonha made their first contribution in #444
• @touseefahmed96 made their first contribution in #478
• @eltociear made their first contribution in #463

Full Changelog: v0.0.2...v0.0.3

What's Changed

Sprint 3 (12-18 Jan, 2025)
Wins and successes of the Open tutorial project 3주차 버전입니다.

• [N-1] 06-DocumentLoader / 13-HWPLoader by @architectyou in #296
• [E-1] 10-Retriever / 05-ParentDocumentRetriever.ipynb by @yuneun92 in #260
• [Gitbook] upload docs( 09 ~ 13) by @sooyoung-wind in #326
• Revert "[Gitbook] upload docs( 09 ~ 13)" by @sooyoung-wind in #327
• [Gitbook] uploading only 09~13 files by @sooyoung-wind in #329
• [Gitbook] hotfix remove 09-VectorStore/02-ChromaWithLangchain by @sooyoung-wind in #330
• [Gitbook] uploading 01-08 revision files by @sooyoung-wind in #331
• [GitBook] Update: Uploaded README.md file by @sooyoung-wind in #332
• [E-4] 05-Memory / 03-ConversationTokenBufferMemory by @gyjong in #286
• 05-Memory / 04-ConversationEntityMemory by @ulysyszh in #289
• [E-2]11-Reranker/03-JinaReranker by @hyeyeoon in #213
• [E-3] 04-Model/03-Cache by @XaviereKU in #304
• [N-1] 06-DocumentLoader / 07-PowerPointLoader by @HarryKane11 in #345
• Fix PULL_REQUEST_TEMPLATE.md by @rlatjcj in #336
• [E-1] 01-Basic/05-Using-OpenAIAPI-MultiModal by @ErikaPark in #313
• [E-4] 05-Memory / 07-VectorStoreRetrieverMemory by @harheem in #343
• [E-1] 01-Basic / 04-LangSmith-Tracking-Setup by @jeongkpa in #301
• [E-2] 03-OutputParser / 01-PydanticOutputParser by @Jae-hoya in #319
• [E-1] 10-Retriever / 08-SelfQueryRetriever by @Hye-yoonJeong in #333
• [E-1] 02-PROMPT / 01-Prompt Template by @Hye-yoonJeong in #334
• Proofread: < 03-OutputParser / 04-JsonOutputParser > by @ash-hun in #342
• [E16] 16-Evaluations / add the files by @fastjw in #360
• [E-4] 13-LCEL / 07-ChainDecorator by @ppakyeah in #351
• [E-1] 14-Chains / 02-SQL by @jinucho in #340
• redo commit UpstageEmbedding.py by @LEE1026icarus in #335
• [E-1] 01-BASIC / 01-Follow the Installation Video_Mac by @ThePurpleCollar in #369
• [E-4] 15-Agent / 07-CSV-Excel-Agent by @Hye-yoonJeong in #355
• 08-Embedding / 02-CacheBackedEmbeddings by @acho98 in #354
• 04-Model / 04-ModelSerialization by @obov in #337
• [E-1] 10-Retriever / 09-TimeWeightVectorStoreRetriever by @choincnp in #409
• [N-1] 06-DocumentLoader / 06-WordLoader by @suhyun0115 in #344
• [N-1] 06-DocumentLoader / 08-TXT-Loader by @seofield in #366
• [E-2] 11-Reranker / 01-CrossEncoderReranker by @ThePurpleCollar in #379
• [E-1] 10-Retriever / 08-SelfQueryRetriever by @Hye-yoonJeong in #411
• [E-1] 01-Basic / 03-OpenAIAPI-Key-Generation by @r14minji in #362
• [E-2] 16-Evaluations / 06-LangSmith-Dataset by @r14minji in #361
• [N-3] 13-LangChain-Expression-Language / 13-WithListeners by @stsr1284 in #309
• [E-4] 15-Agent / 10-TwoAgentDebateWithTools by @suhyun0115 in #316
• [E-3] 16-Evaluations / 09-CompareEvaluation by @ppakyeah in #374
•  [N-1] 03-GraphDB / 06-RealTimeQA by @greencode-99 in #211
• [N-1] 03-GraphDB / 05-TitanicQASystem by @Taylor0819 in #249
• [E-1] 14-Chains / 01-Summary by @ErikaPark in #382
• [E-4] 15-Agent / 01-Tools by @Jae-hoya in #381
• [E-4] 15-Agent / 03-Agent by @gyjong in #377
• [E-1] 14-Chains / 04-Structured-Data-Chat by @hong-seongmin in #376
• [E-2] 16-Evaluations / 07-LangSmith-Custom-LLM-Evaluation by @kofsitho87 in #359
• [N-1] 02-RecommendationSystem / 03-ResumeRecommendationReview by @johnny9210 in #437
• [E-3] 16-Evaluations / 12-LangSmith-Pairwise-Evaluation by @BokyungisaGod in #427
• [E-4] 15-Agent / 06-Agentic-RAG by @harheem in #393
• [E-4] 15-Agent / 08-Agent-with-Toolkits-File-Management by @Secludor in #397
• [E-2] 16-Evaluations / 02-Evaluation using RAGAS by @rlatjcj in #338
• [E-2] 03-OutputParser / 06-DatetimeOutputParser by @stsr1284 in #339
• [E-4] 15-Agent / 05-Iteration-HumanInTheLoop by @BaBetterB in #347
• [E-3] 16-Evaluations / 11-Groundedness Evaluation by @rlatjcj in #373
• [N-1] 01-SQL / 01-TextToSQL.ipynb by @ash-hun in #388
• [E-4] 15-Agent / 02-Bind-Tools by @geminii01 in #391
• [E-3] 16-Evaluations / 08-LangSmith-Heuristic-Evaluation by @sunworl in #404
• [E-4] 15-Agent / Agent-More-LLMs by @jhboyo in #410
• [E-4] 13-LCEL / 03-RunnableLamda by @gyjong in #435
• [E-3] 16-Evaluations / 10-LangSmith-Summary-Evaluation by @choincnp in #396
• [E-4] 15-Agent / 11-React-Agent.ipynb by @ranian963 in #400
• [N-2] 09-VectorStore / 06-Elasticsearch by @namyoungkim in #352
• [E-3] 16-Evaluations / 13-LangSmith-Repeat-Evaluation by @forwardyoung in #401
• [N-2] 09-Vector Store / 02-Chroma by @pupba in #367
• [N-2] 09-VectorStore / 01-Vector-Stores by @Normalist-K in #294
• [N-2] 09-VectorStore / 05-Qdrant.ipynb by @hj0302 in #232
• [N-1] 06-Multimodal/ 10-GeminiMultimodalRAG by @HarryKane11 in #268
• [N-1] 04-GraphRAG / 07-AcademicSearchSystem by @YellowGangneng in #270
• [N-3] 13-LangChain-Expression-Language / 12-RunnableRetry by @PangPangGod in #310
• [E-4] 15-Agent / 09-MakeReport-Using-RAG-Websearching-Imagegeneration… by @JunseongKim1104 in #371
• [E-1] 14-Chains / 03-StructuredOutputChain by @ThePurpleCollar in #375
• [E-2] 16-Evaluations / 06-LangSmith-Embedding-Distance-Evaluation by @choincnp in https://github.com/LangChain-OpenTutorial/Lang...

What's Changed

Sprint 2 (05-11 Jan, 2025)
Wins and successes of the Open tutorial project 2주차 버전입니다.

• [Docs] update license / code-of-conduct / readme by @chaeyoonyunakim in #151
• [REAMDE.md Update] Quick Fix on README.md by @teddylee777 in #155
• [Folder Creation] Add 19-Cookbook by @teddylee777 in #156
• [Week 1] 1/7 Github Cleanup - updated peer reviewers and badge links by @langchainopentutorial in #185
• [N-1] 06-DocumentLoader / 06-WordLoader by @suhyun0115 in #145
• [N-3] 08-Embedding / 03-HuggingFaceEmbeddings by @namyoungkim in #170
• [E-4] 13-LangChain-Expression-Language / 09-Generator by @JunseongKim1104 in #176
• [N-3] 08-Embedding / 01-OpenAIEmbeddings.ipynb by @ro-jun in #179
• [N-2] 07-Text Splitter / 05-CodeSplitter by @greencode-99 in #187
• [.env_sample] Quick Update MONGODB_ATLAS_CLUSTER_URI key by @teddylee777 in #285
• [E-4] 13-LCEL / 10-Binding by @BaBetterB in #197
• [E-1] 10-Retriever / 09-TimeWeightVectorStoreRetriever by @choincnp in #200
• [C-3] 13-LangChain-Expression-Language / 06-Configure by @kofsitho87 in #203
• [E-4] 13-LangChain-Expression-Language / 07-ChainDecorator by @ppakyeah in #227
• [E-4] 13-LangChain-Expression-Language / 02-InspectRunnables.ipynb by @ranian963 in #252
• [E-1] 10-Retriever / 03-EnsembleRetriever by @3DKIDS in #210
• [E-4] 13-LangChain-Expression-Language / 11-Fallbacks by @IHAGI-c in #146
• [E-4] 13-LangChain-Expression-Language / 01-RunnablePassthrough by @suhyun0115 in #181
• [E-1] 02-Prompt / 02-FewShotPromptTemplate.ipynb by @hong-seongmin in #188
• [E-4] 13-LangChain-Expression-Language / 04-Routing by @jinucho in #195
• [E-4] 05-Memory / 06-ConversationSummaryMemory by @jinucho in #206
• [E-3] 04-MODEL / 01-Models by @eunhhyy in #288
• [E-2] 03-OutputParser / 02-CommaSeparatedListOutputParser by @JunseongKim1104 in #207
• [N-3] 08-Embedding / 08-MultiModalEmbeddings by @pupba in #218
• [E-4] 13-LangChain-Expression-Language / 05-RunnableParallel by @geminii01 in #226
• [N-1] 06-Document Loader / 11-UpstageDocumentParseLoader by @Taylor0819 in #251
• [E-4] 13-LangChain-Expression-Language / 08-RunnableWithMessageHistory by @Secludor in #265
• [E-4] 13-LangChain-Expression-Language / 03-RunnableLambda by @gyjong in #196
• [E-2] 11-Reranker / 01-CrossEncoderReranker by @ThePurpleCollar in #183
• [E-1] 10-Retriever / 02-ContextualCompressionRetriever by @jhboyo in #266
• [E-3] 12-RAG / 03-RAG-Advanced.ipynb by @Jae-hoya in #276
• [N-3] 13-LangChain-Expression-Language / 12-RunnableRetry by @PangPangGod in #256
• [N-1] 06-DocumentLoader / 10-ArxivLoader by @architectyou in #261
• [E-1] 1-BASIC / 01-Getting-Started-Windows by @jeong-wooseok in #182
• [Template] Add base template with example content removed, including guide by @Normalist-K in #295
• [E-1] 10-Retriever / 11-Convex-Combination-Ensemble-Retriever by @harheem in #242
• [N-2] 09-Vector Store / 02-ChromaWithLangchain by @pupba in #290
• [E-4] 05-MEMORY/09-MemoryUsingSQLite by @MoonHeesun in #287
• [N-1] 05-Memory / 08-LCEL-add-memory by @YellowGangneng in #278
• [E-3] 12-RAG / 01-RAG-Basic-PDF.ipynb by @LEE1026icarus in #284
• [E-3] 12-RAG / 02-RAG-Basic-Webloader by @architectyou in #255
• [E-3] 12-RAG / 04-RAPTOR-Long-Context-Summary by @samdaseuss in #258
• [E-1] 10-Retriever / 10-Kiwi-BM25-Retriver by @jeongkpa in #150
• [E-1] 10-Retriever / 04-LongContextReorder by @r14minji in #175
• [E-1] 10-Retriever / 07-MultiVectorRetriever by @sirena1 in #220
• [Gitbook] upload gitbook md files by @sooyoung-wind in #303
• [Gitbook] Quick Fix by @teddylee777 in #305
• [.env_sample] Add Env Variables by @teddylee777 in #306
• [E-1] 10-Retriever / 01-VectorStoreRetriever by @ErikaPark in #173
• [N-1] 06-Document Loader / 12-LlamaParse.ipynb by @syshin0116 in #243
• [N-2] 09-VectorStore / Data and Template by @sohyunwriter in #308
• [E-3] 12-RAG / 05-Conversation-With-History by @sunworl in #219
• [N-3] 13-LCEL / 14-StreamRunnables by @acho98 in #259
• [E-2] 11-Reranker / 04-FlashRank-Reranker by @forwardyoung in #280
• [N-1] 06-DocumentLoader / 05-ExcelLoader by @forwardyoung in #318
• [E-4] 05-MEMORY/05-ConversationKGMemory by @Secludor in #302
• [.env UPDATE] Quick Add env variable by @teddylee777 in #320

New Contributors

• @choincnp made their first contribution in #200
• @sirena1 made their first contribution in #220

Full Changelog: v0.0.0...v0.0.1

What's Changed

• Initial project release

New Contributors

• @pupba made their first contribution in #5
• @IHAGI-c made their first contribution in #11
• @sohyunwriter made their first contribution in #24
• @greencode-99 made their first contribution in #12
• @JunseongKim1104 made their first contribution in #30
• @gyjong made their first contribution in #15
• @kofsitho87 made their first contribution in #17
• @teddylee777 made their first contribution in #62
• @3DKIDS made their first contribution in #8
• @XaviereKU made their first contribution in #13
• @jinucho made their first contribution in #19
• @Normalist-K made their first contribution in #22
• @jeongkpa made their first contribution in #28
• @ro-jun made their first contribution in #29
• @hj0302 made their first contribution in #42
• @Taylor0819 made their first contribution in #47
• @Jae-hoya made their first contribution in #55
• @dancing-with-coffee made their first contribution in #65
• @rlatjcj made their first contribution in #20
• @suhyun0115 made their first contribution in #7
• @BAEM1N made their first contribution in #89
• @seofield made their first contribution in #50
• @architectyou made their first contribution in #71
• @sooyoung-wind made their first contribution in #92
• @r14minji made their first contribution in #16
• @PangPangGod made their first contribution in #21
• @Secludor made their first contribution in #74
• @leebeanbin made their first contribution in #78
• @jhboyo made their first contribution in #79
• @ErikaPark made their first contribution in #41
• @forwardyoung made their first contribution in #77
• @syshin0116 made their first contribution in #53
• @YellowGangneng made their first contribution in #25
• @MoonHeesun made their first contribution in #23
• @ranian963 made their first contribution in #32
• @harheem made their first contribution in #33
• @Hye-yoonJeong made their first contribution in #38
• @geminii01 made their first contribution in #40
• @obov made their first contribution in #44
• @hong-seongmin made their first contribution in #49
• @namyoungkim made their first contribution in #52
• @ivybae made their first contribution in #57
• @effort-type made their first contribution in #61
• @BaBetterB made their first contribution in #68
• @LEE1026icarus made their first contribution in #84
• @hohosznta made their first contribution in #95
• @asummerz made their first contribution in #98
• @johnny9210 made their first contribution in #104
• @krkrong made their first contribution in #72
• @eunhhyy made their first contribution in #100
• @fastjw made their first contribution in #48
• @ppakyeah made their first contribution in #81
• @acho98 made their first contribution in #93
• @jeong-wooseok made their first contribution in #83
• @stsr1284 made their first contribution in #96
• @brian604 made their first contribution in #113
• @hyeyeoon made their first contribution in #37
• @yuneun92 made their first contribution in #69
• @sunworl made their first contribution in #73
• @ash-hun made their first contribution in #90
• @ulysyszh made their first contribution in #76
• @HarryKane11 made their first contribution in #105
• @hellohotkey made their first contribution in #108
• @cjLee-cmd made their first contribution in #101
• @ThePurpleCollar made their first contribution in #111
• @langchainopentutorial made their first contribution in #126
• @chaeyoonyunakim made their first contribution in #135
• @samdaseuss made their first contribution in #139

Full Changelog: https://github.com/LangChain-OpenTutorial/LangChain-OpenTutorial/commits/v0.0.0