Is the web getting more educational? @DataPolars can stream (some would say blazingly fast) from @huggingface Hub. I analysed 736GB from finepdfs-edu without downloading locally. 50M rows spanning 2013-2025. Answer: Yes. High-quality educational content is up ~22%. ~14 min

"We adopted Polars to meet strict technical requirements, but the result went beyond simple optimization. The 30x performance improvement gave us the unexpected opportunity to do more." Read about how Rabobank successfully deployed Polars in a critical enterprise production

Enjoy the best experience on X.

We've just released 1.36.0 with a couple of big features. Here are the highlights: Highlights: 🧩 Extension Types: Allows for custom data types within the Polars ecosystem. You can see an example in the image below. 🛟 Float16 Support: First-class support for model parameters

It’s been a year since the last Polars in Aggregate. Since then, we've shipped 37 releases, merged over 2,300 PRs, and built two new engines. Here is what you need to know: ☁️ Polars Cloud is Live: Write code once, run it anywhere. Whether processing hundreds of rows locally or

The pre-release of Polars 1.36 is out. Please give it a try so that we can ensure a stable final release with minimal regressions. It lands a lot of goodies: - Extension types - Lazy pivots - Streaming group_by_dynamic - Float16 support - Nested .over()/ window expressions

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Just merged: 100x Faster scans with @DataPolars of large scale datasets on @huggingface ⚡ fineweb-2 (8,257 files) 379 API calls -> 19 API calls finepdfs-edu (429 files) 139 API calls -> 1 API call Looking forward to the release ! See PR #25521 on github

Started to use polars, this is good and addictive

Citizens cut query times from 80 to 8 minutes by adopting Polars, but the transformation went beyond speed. It provided, what they called, a "grammar of business logic." Teams moved from intricate nested loops to readable, composable expressions, drastically improving

We recently shipped some performance upgrades and long-awaited features. Here are the highlights from releases 1.35.0-1.35.2: 🏆 Decimal Type Now Stable The Decimal data type is now production-ready. If you're working with financial data or anything requiring exact numeric

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🔥 @Accel (early investors in Facebook, Dropbox, Slack, and Flipkart) just dropped their 2025 top 100 Europe AI startups, and I’m excited to see @kapa_ai make an appearance. We have Silicon Valley roots, but we’re full-speed-ahead in Copenhagen making sure the entire world has

At the recent Polars meetup, Oliver & Daniel discussed how they migrated a pandas + SQL to Polars using Dataframely: - 22x speedup - 3x lower memory - 50% code reduction - Native dataframe validation with minimal overhead using Dataframely Watch:

Swiss insurer @diemobiliar refactored their risk model to Polars, achieving 5-10x speedups and enabling actuaries to run millions of simulation years on laptops. Previously unfeasible with pandas due to memory and single-core limitations. https://t.co/aeCF6m26wW

We raised €18M in Series A led by @Accel to build fast data processing at any scale. All on Polars. https://t.co/Qy13YezymD

Polars, the Amsterdam-based company behind the popular open source project by the same name, has raised an €18 million Series A led by Accel.

The recordings of our third meetup are now available on Youtube! Watch the session of Gijs Burghoorn, core developer @ Polars, here: https://t.co/ViFIwduDLf. In his talk he discussed how and why we optimize our Parquet reader.

Polars Cloud client 0.3.0 is released. You can now spawn >100k queries to a single cluster and we load balance them gracefully. Additionally, the query planning now is posted as a worker task and can be cancelled by the user. https://t.co/IZZ3gxrldC

Today we launch Polars Cloud and the Public Beta of our Distributed Engine. Read the post to get started! https://t.co/MR9Br3QMC5

It is almost time for the 3rd official Polars meetup! The next meetup will take place on the 17th of September in Munich, Germany. There will be a talk by the Polars team and a community talk. RSVP here: