Collaborative Calculation and Data Science

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Starting today, a new "Ubuntu 24.04"-based software environment became the default for new projects. First off, you can still select the previous default environment, which is called "Ubuntu 22.04 (until June 2025)". We plan to maintain it for a bit longer, but down the road we'll focus on the new environment.

You can explore the available software on our [inventory pages](https://cocalc.com/software). 

New Ubuntu 24.04-based environment

Starting today, a new "Ubuntu 24.04"-based software environment became the default for new projects. First off, you can still select the previous default environment, which is called "Ubuntu 22.04 (until June 2025)". We plan to maintain it for a bit longer, but down the road we'll focus on the new environment. For existing projects, you can switch over in Project Settings → Project Control → Software Environment.

You can explore the available software on our [inventory pages](https://cocalc.com/software). 

Regarding programming languages and features:

* **Python**: there is now a new "CoCalc Python" environment, which is a separate environment based on popular packages. One small change to the previous environment is, that terminals now run inside that CoCalc Python environment by default. As before, we also provide an Anaconda-based environment, which you can start via `anaconda2025`. As before, we also maintain a copy of Colab's environment.
* **R**: we switched to providing a larger number of packages, provided by [r2u](https://eddelbuettel.github.io/r2u/), for an easier and more convenient experience.
* **Sage**: the latest version of [SageMath](https://www.sagemath.org) is provided – you have to switch to "Ubuntu 22.04" for earlier releases.



Ubuntu 24.04-based environment becomes default

Starting today, our default software environment for **new** projects is based on **Ubuntu 24.04**.  
You can still select the previous default, **Ubuntu 22.04 (available until June 2025)**, when creating new projects. While we plan to support Ubuntu 22.04 for a while longer, our main focus going forward will be on Ubuntu 24.04.

Existing projects are unaffected. If you want to switch, you can do this any time via **Project Settings → Project Control → Software Environment**.

To see what’s included, check out our [software inventory](https://cocalc.com/software).

### Programming Languages and Features

- **Python**: There is now a new "CoCalc Python" environment, featuring a curated set of popular packages. Terminals now run inside this environment by default. As before, you can also use the Anaconda-based environment via `anaconda2025`, and we continue to offer a Colab-compatible environment.

- **R**: We now provide a broader selection of R packages, powered by [r2u](https://eddelbuettel.github.io/r2u/), making it easier and more convenient to get started.

- **SageMath**:  The latest version of [SageMath](https://www.sagemath.org) is available in the new environment. For earlier SageMath releases, please switch to the "Ubuntu 22.04" environment.

Ubuntu 24.04-Based environment is the default

Starting today, our default software environment for **new** projects is based on **Ubuntu 24.04**.  
You can still select the previous default, **Ubuntu 22.04 (available until June 2025)**, when creating new projects. While we plan to support Ubuntu 22.04 for a while longer, our main focus going forward will be on Ubuntu 24.04.

Existing projects are unaffected. If you want to switch, you can do this any time via **Project Settings → Project Control → Software Environment**.

To see what’s included, check out our [software inventory](https://cocalc.com/software).

### Programming Languages and Features

- **Python**: There is now a new "CoCalc Python" environment, featuring a curated set of popular packages. This replaces the previously called "system-wide" environment. Terminals now run inside this environment by default. The main benefit is, that this allows to manage Python packages without depending on system-wide packages, installed for system utilities. As before, you can also use the Anaconda-based environment via `anaconda2025`, and we continue to offer a Colab-compatible environment. 

- **R**: We now provide a broader selection of R packages, powered by [r2u](https://eddelbuettel.github.io/r2u/), making it easier and more convenient to get started.

- **SageMath**:  The latest version of [SageMath](https://www.sagemath.org) is available in the new environment. For earlier SageMath releases, please switch to the "Ubuntu 22.04" environment.

- **LaTeX**: This is now running a full and up-to-date [Texlive](https://www.tug.org/texlive/) distribution. We plan to update its packages with each new software environment update.


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