Issues

• Model2Vec backends share generated distillation vocabulary across independent corpora

  MaartenGr/BERTopic#2544 · Filter by author Afloat16 opened on Sep 29, 2026

• Topic aspects are not updated when merging topics and the model uses a custom vectorizer

  bug
  MaartenGr/BERTopic#2531 · Filter by author aymanmh opened on Aug 12, 2026

• Creating topics over time fails if model has deleted topics

  bug
  MaartenGr/BERTopic#2530 · Filter by author aymanmh opened on Aug 12, 2026

• Topic deletion fails if topics have custom lables

  bug
  MaartenGr/BERTopic#2529 · Filter by author aymanmh opened on Aug 12, 2026
  1

• Creating Topic Taxonomies

  MaartenGr/BERTopic#2526 · Filter by author TheItCrOw opened on Jul 30, 2026

• Add structured multi aspect output to the LangChain representation 2:06 AM

  MaartenGr/BERTopic#2523 · Filter by author ada-zl125 opened on Jul 26, 2026

• Add top-down (divisive) strategy for hierarchical_topics()

  MaartenGr/BERTopic#2508 · Filter by author pidefrem opened on Jul 8, 2026

• Support pre-tokenized documents to avoid redundant tokenization across pipeline stages

  MaartenGr/BERTopic#2507 · Filter by author pidefrem opened on Jul 8, 2026

• Add contrastive and embedding-aware feature importance as representation aspects

  MaartenGr/BERTopic#2506 · Filter by author pidefrem opened on Jul 8, 2026

• Lightweight soft topic assignment via temperature-scaled embedding distances

  MaartenGr/BERTopic#2505 · Filter by author pidefrem opened on Jul 8, 2026

• Support reusing pre-computed UMAP embeddings across runs (grid search, caching)

  MaartenGr/BERTopic#2504 · Filter by author pidefrem opened on Jul 8, 2026

• hierarchical_topics() parent nodes show raw c-TF-IDF keywords instead of representation model labels

  MaartenGr/BERTopic#2503 · Filter by author pidefrem opened on Jul 8, 2026

• approximate_distribution: add target-based min_similarity ("at most N unassigned documents")

  MaartenGr/BERTopic#2502 · Filter by author pidefrem opened on Jul 8, 2026

• reduce_outliers: add target-based outlier reduction ("reduce to X% outliers")

  MaartenGr/BERTopic#2501 · Filter by author pidefrem opened on Jul 8, 2026

• Allow recalculating representative docs with a configurable count (currently hardcoded to 3)

  MaartenGr/BERTopic#2500 · Filter by author pidefrem opened on Jul 8, 2026

• _extract_representative_docs recomputes from scratch on every call — no caching

  MaartenGr/BERTopic#2499 · Filter by author pidefrem opened on Jul 8, 2026

• MaximalMarginalRelevance makes 2N embedding calls instead of 1

  MaartenGr/BERTopic#2498 · Filter by author pidefrem opened on Jul 8, 2026
  1

• Extract duplicated document-aggregation and topic-naming patterns into shared helpers

  MaartenGr/BERTopic#2497 · Filter by author pidefrem opened on Jul 8, 2026

• _extract_representative_docs: duplicate sampling (replace=True) and text-based index mapping select wrong documents

  MaartenGr/BERTopic#2495 · Filter by author pidefrem opened on Jul 8, 2026
  1

• BERTopic.load(path, embedding_model=...) makes a redundant HuggingFace network request even when an embedder is explicitly provided

  MaartenGr/BERTopic#2493 · Filter by author luismavs opened on Jun 18, 2026

• ci: add uv_exclude_newer env in github actions workflow?

  MaartenGr/BERTopic#2485 · Filter by author afuetterer opened on May 13, 2026

• Thinking models in ollama exit early

  bug
  MaartenGr/BERTopic#2481 · Filter by author sam-baumann opened on Apr 14, 2026

• Untrusted impersonation of the project at bertopic.org

  MaartenGr/BERTopic#2478 · Filter by author zerobitflux opened on Apr 5, 2026

• Untrusted impersonation of the project at bertopic.com

  MaartenGr/BERTopic#2477 · Filter by author zerobitflux opened on Apr 5, 2026

• find_topics(topic) crashes if topic is a 1-element list

  bug
  MaartenGr/BERTopic#2475 · Filter by author raffaelemancuso opened on Mar 8, 2026