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Top storypandas 3.0 changes chained assignment, text dtypes, datetime units and frequency aliases. See the six patterns that break, with the old and safe versions side by side.
DuckDB 2.0 alpha adds server mode, triggers and a new storage format. Here is what changes for analysts, what to test, and what to leave alone until release.
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Divya Nair · 84 views
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7 stories
Polars 2.0 makes streaming the default and tightens types. For pandas users: what changes in practice, what the benchmarks do and don't show, and when switching pays off.
DuckDB 2.0 landed on 21 October. The changes that can break an analyst's queries and shared files, from lambdas to division by zero, and a safe order to upgrade in.
Python 3.15 adds profiling.sampling, a built-in low-overhead profiler. The commands to find slow steps in a pandas script, wall vs CPU mode, and how to read it.
India's CPI moved to a 2024 base with new weights and 12 divisions. How to avoid phantom jumps in dashboards: linking the series in pandas, mismatched groups and reading the headline.
Python 3.15 opens text files as UTF-8 by default. See who is affected, how to find risky open() calls and a scan for files that are not valid UTF-8.
pandas 3.0 changes chained assignment, text dtypes, datetime units and frequency aliases. See the six patterns that break, with the old and safe versions side by side.
DuckDB 2.0 alpha adds server mode, triggers and a new storage format. Here is what changes for analysts, what to test, and what to leave alone until release.
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