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Replace PyTables with Polars/Parquet as primary format

backwards compatibilityissues concerning prior to current versionsissues concerning prior to current versions

dependenciesPull requests that update a dependency filePull requests that update a dependency file

DLC3.0🔥

enhancementNew feature or requestNew feature or request

high-priority

lint requiredPlease run pre-commit hooks to ensure your formatting is up-to-datePlease run pre-commit hooks to ensure your formatting is up-to-date

WORK IN PROGRESS!developers are currently working on this feature... stay tuned.developers are currently working on this feature... stay tuned.

Status: Draft (not ready).

DeepLabCut/DeepLabCutnumber 3171

#3171 In DeepLabCut/DeepLabCut;

· Copilot opened on Jan 9, 2026