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NumFOCUS @numfocus.bsky.social · 31/03/2026

Give Me 5 Season 2 is back with Episode 2 this week, featuring @dbouquin.bsky.social, the Senior Developer Relations Engineer from Anaconda! We'll be dropping the episode later this week, so stay tuned!

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NumFOCUS @numfocus.bsky.social · 20/03/2026

Maxed-Out Moment — CuPy 60 million downloads in 2025. This is what funded open source looks like. Give today to support the next milestone: numfocus.org/max-the-stack

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NumFOCUS @numfocus.bsky.social · 19/03/2026

Give Me 5 is back in a few ways. $50 + tagging 5 friends = open source stays alive Who’s in? Tag your first 5 below ↓ Donate: numfocus.org/max-the-stack

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NumFOCUS @numfocus.bsky.social · 17/03/2026

Support the NumFOCUS stack today. 15 days to fund keep the open-source tools you rely on healthy, maintained, and free. If you’ve ever typed `import numpy` and meant it — this one’s for you. numfocus.org/max-the-stack

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NumFOCUS @numfocus.bsky.social · 11/03/2026

We're excited to launch Season 2 of Give Me 5 by talking with @howardbutler.com, the Sponsorship Program Lead for @GDAL, a NumFOCUS Sponsored Project. The new season drops with episode one next week, so stay tuned!

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NumFOCUS @numfocus.bsky.social · 07/03/2026

Give Me 5: Season 2 incoming... We're coming back with new episodes — real conversations with open source experts and advocates who are shaping the future of scientific computing. Watch the Season 2 trailer: youtu.be/T--NONuTXo4 — Interested in partnering: partnership@numfocus.org

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NumFOCUS @numfocus.bsky.social · 29/01/2026

We have a new round of project updates to kick off the new year! Check out the updates on the NumFOCUS blog at hubs.la/Q040Wf_l0. This month features updates from: pandas ITK geopandas @julialang.org @cupy.bsky.social @ropensci.org @projectpythia.bsky.social @optuna.bsky.social Taskflow

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NumFOCUS @numfocus.bsky.social · 08/01/2026

Version 4.9 of MFEM was just released on December 11, 2025! Highlights of this release include ∂FEM: a new MFEM capability for Automatic Differentiation (AD) of nonlinear finite element operators, and much more. All changes can be found here: github.com/orgs/mfem/di...

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NumFOCUS @numfocus.bsky.social · 07/01/2026

We are happy to announce the first release candidate of pandas 3.0.0 was released! You can find the the list of changes in 3.0.0 in the release notes page here: pandas.pydata.org/docs/dev/wha...

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NumFOCUS @numfocus.bsky.social · 06/01/2026

December was an exciting month for rOpenSci! They proudly continued supporting LatinR as a community partner in 2025, and their community manager, Yani, was recently interviewed on our new NumFOCUS podcast, Give Me 5! You can watch the 5-minute episode now: youtu.be/SqafLv6CYPI?...

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NumFOCUS @numfocus.bsky.social · 05/01/2026

skforecast 0.19.0 has just been released! This release expands skforecast into new types of forecasting problems, strengthens drift detection, & introduces a dedicated statistical modeling module fully aligned with the scikit-learn interface. Get the full details here: skforecast.org/0.19.0/relea...

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NumFOCUS @numfocus.bsky.social · 12/12/2025

rOpenSci published a blog post requesting feedback for a prototype of an organization-level dashboard for tracking the health and maintenance of an organization’s R packages. They’re still looking for feedback and suggestions, so please read and help out with your ideas! ropensci.org/blog/2025/09...

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NumFOCUS @numfocus.bsky.social · 11/12/2025

Optuna released v4.6! This version delivers significant enhancements to both user experience and optimization power. Key highlights include an interactive, LLM-powered interface for Optuna Dashboard, enabling users to filter trials and generate graphs w/ natural language. medium.com/optuna/annou...

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NumFOCUS @numfocus.bsky.social · 10/12/2025

Python-Blosc2 3.11.1 is here! After three months of intense work, they’ve unleashed a release that represents a massive leap forward in their support for the Array API standard. Blosc is achieving unprecedented performance! Get the full story on Blosc’s blog: www.blosc.org/posts/tensor...

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NumFOCUS @numfocus.bsky.social · 09/12/2025

Introducing NumFOCUS’s newest Affiliated project, BrainGlobe! brainglobe.info BrainGlobe is a project to build interoperable tools for the analysis and visualization of neuroscience histology data. It includes ten user-facing data processing packages. Welcome to the NumFOCUS family!

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NumFOCUS @numfocus.bsky.social · 08/12/2025

Please welcome our newest Sponsored project, OpenProblems.bio! 💙 openproblems.bio OpenProblems.bio is a community-driven project aiming to identify and benchmark computational methods for analyzing single-cell data, with a goal to accelerate progress in single-cell research. Welcome to NumFOCUS!

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NumFOCUS @numfocus.bsky.social · 02/12/2025

Open-source thrives because people show up. Today, on Giving Tuesday, we’re calling on our whole community — developers, scientists, students, organizers, and supporters. Let’s push this campaign into maximum overdrive. Donate to support open science at numfocus.org/max-the-stack

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NumFOCUS @numfocus.bsky.social · 02/12/2025

Giving Tuesday is here — time to Max the Stack. Let’s sustain the tools powering global discovery. Donate today at numfocus.org/max-the-stack #NumFOCUS #MaxTheStack

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NumFOCUS @numfocus.bsky.social · 26/11/2025

It’s been an exciting month for us and our projects yet again! Check out our roundup of November Project Updates, including two brand new NumFOCUS projects! numfocus.medium.com/34ec15fef155

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NumFOCUS @numfocus.bsky.social · 24/11/2025

A huge thank-you to @blockscience.bsky.social for their support of NumFOCUS and PyData.Their commitment to rigorous research and community-driven innovation strengthens every part of the ecosystem. Join in their support of open source scientific computing: Donate to NumFOCUS at hubs.la/Q03VFBdL0

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NumFOCUS @numfocus.bsky.social · 21/11/2025

Optuna v4.6 is scheduled for release next month! It will include full support for multi-objective and constrained optimization in AutoSampler, automatic plot generation using LLM in Optuna-Dashboard, and more.

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NumFOCUS @numfocus.bsky.social · 20/11/2025

We are happy to announce the release of Colour — CxF! This extension package for Colour implements reading and writing files in the Color Exchange Format (CxF) to store and exchange color data across different systems. Read the full announcement here: www.colour-science.org/posts/suppor...

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NumFOCUS @numfocus.bsky.social · 19/11/2025

Skforecast 0.18.0 is here! 🎉 This release brings backtesting with more control, drift detection for production, better visualization and insights, and much more to make your forecasting pipelines more reliable, interpretable, and production-ready! Full release notes: skforecast.org/0.18.0/relea...

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NumFOCUS @numfocus.bsky.social · 18/11/2025

rOpenSci recently hosted another Coworking session, this time focusing on the theme “Code Review with rOpenSci” with community host Liz Hare, rOpenSci Champion and Software Reviewer. Tune into their next session, “Getting to know The Carpentries” on Dec. 2! ropensci.org/events/cowor...

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NumFOCUS @numfocus.bsky.social · 17/11/2025

ICYMI: Julia version 1.12 has been released! julialang.org/blog/2025/10... We want to thank all the contributors to this release and all the testers who helped find regressions and issues in the pre-releases. Without you, this release would not have been possible! 💜

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NumFOCUS @numfocus.bsky.social · 22/10/2025

Announcing C-Blosc2 2.21.2: A fast, compressed and persistent binary data store library for C! This is a maintenance release, with a few fixes and some optimizations. Check out the full release notes here: github.com/Blosc/c-blos... Donate to Blosc: numfocus.org/donate-to-bl...

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NumFOCUS @numfocus.bsky.social · 21/10/2025

💙 pyMOR just released pyMOR 2025.1! This release introduces a major breaking change in pyMOR’s VectorArray API, along with a few new features. Check them out here: bit.ly/42LU7gh

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NumFOCUS @numfocus.bsky.social · 20/10/2025

Recently, rOpenSci held some fabulous community sessions on new ways to publish R packages and how to ship your R package to the R-multiverse! Stay up to date on their next events here: ropensci.org/events/ 💯 Donate to rOpenSci: numfocus.org/donate-to-ro...

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NumFOCUS @numfocus.bsky.social · 19/10/2025

On behalf of the Spyder Project Contributors, we’re pleased to announce that Spyder 6.0.8 has been released and is available for Windows, GNU/Linux and MacOS X! 🕷️ This release fixed input method positioning for the Editor and IPython Console. Donate to Spyder: numfocus.org/donate-for-s...

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NumFOCUS @numfocus.bsky.social · 18/10/2025

Optuna has released CARBOSampler, a sampler for robust Bayesian optimization, and the C-DTLZ constrained multi-objective optimization benchmark set packages on OptunaHub. They are also working on Optuna-Dashboard LLM integration functionalities that manipulate data with natural language. Good luck!😍

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NumFOCUS @numfocus.bsky.social · 17/10/2025

On behalf of the NumPy team, we’re pleased to announce the release of NumPy 2.3.3. The NumPy 2.3.3 release is a patch release split between a number of maintenance updates and bug fixes. This release supports Python 3.11–3.14. 🩵

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NumFOCUS @numfocus.bsky.social · 16/10/2025

A Zarr Summit is currently being hosted in Rome, Oct. 13-17, 2025! Zarr currently has over 60 registrants representing 50+ organizations, 5+ continents, and Zarr usage across Python, R, C++, Rust, APIs, GUIs, and more! 🤩🐍🔬

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NumFOCUS @numfocus.bsky.social · 15/10/2025

Mesa had an exceptional Google Summer of Code (GSoC)! With its completion, they have three exciting improvements to Mesa: Mesa Frames 0.2, Mesa-LLM, & Mesa 3.3, This is incredible, congrats Mesa!

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NumFOCUS @numfocus.bsky.social · 14/10/2025

The 4th Dynare Workshop for Advanced Users took place from Sep. 17-19, 2025, at the Joint Research Centre of the European Commission in Ispra, Italy. The Dynare Team showcased their latest software developments alongside participants from policy institutions and academia. Congrats, Dynare! 💙

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NumFOCUS @numfocus.bsky.social · 13/10/2025

Julia version 1.11.7, the seventh patch release in the 1.11 series, is now available! As a patch release, 1.11.7 contains no new features or breaking changes, only bug fixes, documentation improvements, and performance improvements. 🙏

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NumFOCUS @numfocus.bsky.social · 11/10/2025

We can’t wait for the 10th-anniversary PyBay 2025 NEXT WEEK! Join NumFOCUS and connect with developers and programmers in the Bay Area for all things Python! pybay.org

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NumFOCUS @numfocus.bsky.social · 07/10/2025

The Hopsworks Feature Store Summit 2025 takes place in just a week, and we couldn’t be happier to be a featured community partner! 🧡 This year, the summit will focus on real-time systems, LLM pipelines, and vector-native architectures for AI. Register here for free! www.featurestoresummit.com

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NumFOCUS @numfocus.bsky.social · 02/10/2025

We’re proud to partner with Hopsworks for their Feature Store Summit 2025, which will take place online on Oct. 14! We’ve got a star-studded speaker lineup, with talks from developers at Uber, Pinterest, and Roku, just to name a few! Register here: www.featurestoresummit.com

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NumFOCUS @numfocus.bsky.social · 30/09/2025

NumFOCUS is thrilled to partner with PyBay for their 10th anniversary conference in San Francisco, Oct. 18! Join us and dozens of other enthusiastic and established developers in the beautiful Bay Area for software development, data science, community, and of course: Python! pybay.org

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NumFOCUS @numfocus.bsky.social · 26/09/2025

Our September round of monthly project updates is here! Check ‘em out here: numfocus.medium.com/september-20...

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NumFOCUS @numfocus.bsky.social · 26/09/2025

Our September round of monthly project updates is here! Check ‘em out here: numfocus.medium.com/september-20...

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NumFOCUS @numfocus.bsky.social · 25/09/2025

Funding fuels innovation. NumFOCUS helps projects find stability through sponsorship + grants. Your gift keeps open code powering science. Back the Stack. Fuel the Future: bit.ly/3HPryqN

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NumFOCUS @numfocus.bsky.social · 21/09/2025

pandas is pleased to announce the release of v2.3, and is seeking testers for their upcoming 3.0 release! See the upcoming changes in pandas 3.0 for more details about what changes are coming: pandas.pydata.org/docs/whatsne... Donate to pandas: numfocus.org/donate-to-pa...

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NumFOCUS @numfocus.bsky.social · 20/09/2025

📣 On Sept. 25, NVIDIA will be hosting a virtual Connect with Experts with the CUDA Core Libraries Team. If you have ever wanted to learn about GPU computing and writing custom CUDA kernels in both C++ and Python, this is the team you want to talk to! bit.ly/4nxkChk

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NumFOCUS @numfocus.bsky.social · 20/09/2025

We have released version 4.5 of the black-box optimization framework Optuna. This release includes new features and significant performance improvements, such as GPSampler for constrained multi-objective optimization and much more! Full release notes here: github.com/optuna/optun...

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NumFOCUS @numfocus.bsky.social · 19/09/2025

Tomorrow is Software Freedom Day! 🧠 Here at NumFOCUS, we've seen the impact of open-source extend as far as [BioTech] [Sustainability] [AI] Knowledge and data should remain free and accessible for all. Back the Stack by donating today to ensure the future of open-source! bit.ly/3HPryqN

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NumFOCUS @numfocus.bsky.social · 19/09/2025

One month ago, Blosc presented multiple exciting talks, tutorials, and sprints at EuroSciPy 2025! Check out the slides to their Talk, “Blosc2: Compress Better, Compute Bigger,” here! www.blosc.org/docs/2025-Eu... Donate to Blosc: numfocus.org/donate-to-bl...

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NumFOCUS @numfocus.bsky.social · 18/09/2025

DISC Unconferences: Diverse teams brainstorming real-world solutions for a more inclusive future in open science. An ML Engineer said, “This event isn’t just about learning; it’s about building a movement. It’s a catalyst for real change.” Back the Stack. bit.ly/3HPryqN

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NumFOCUS @numfocus.bsky.social · 18/09/2025

Skforecast 0.17.0 has just been released! 🎉 This release represents a significant step forward for deep learning forecasting in skforecast, expanding what you can do with RNN-based models and probabilistic predictions. Get the full details here: skforecast.org/0.17.0/relea...

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NumFOCUS @numfocus.bsky.social · 17/09/2025

✨ CuPy v13.5 is now available! It now supports CUDA 12.9, ROCm 6.4, & NumPy 2.3. This release also brings CUDA’s Unified Memory Programming support for HMM/ATS-enabled systems. Check out the release notes for the full details! github.com/cupy/cupy/re... Donate to CuPy: numfocus.org/donate-for-c...

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