Qdrant is a vector similarity engine & vector database. It deploys as an API service providing search for the nearest high-dimensional vectors. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more!
indexingThreshold value may be set to 0 (as per QDrant docs), but then it's ignored and skipped in the request
OptimizersConfig.php simple fix:
if ($this->indexingThreshold || $this->indexingThreshold===0) { $data['indexing_threshold'] = $this->indexingThreshold; }