# Conda

Conda is a cross-platform, language-agnostic package and environment management system for installing and managing software packages and dependencies.

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## Python Environments Extension for VS Code- April Update

DevFeed: [Python Environments Extension for VS Code- April Update](<https://devfeed.tech/articles/python-environments-extension-for-vs-code-april-update-20349.md>)

Original publisher: [Read original article](<https://devblogs.microsoft.com/python/python-in-visual-studio-code-april-2026-release/>)

Author: Vedha Ranganathan

Published: 2026-04-27T20:07:30Z

Content type: release

Language: en

Sources: [Microsoft Python Engineering](<https://devfeed.tech/sources/microsoft-python-engineering.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Extension](<https://devfeed.tech/topics/extension.md>), [Visual Studio Code](<https://devfeed.tech/topics/visual-studio-code.md>), [Package Management](<https://devfeed.tech/topics/package-management.md>), [Conda](<https://devfeed.tech/topics/conda.md>), [Poetry](<https://devfeed.tech/topics/poetry.md>), [ssh](<https://devfeed.tech/topics/ssh.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [conda](<https://devfeed.tech/tags/conda.md>), [crash](<https://devfeed.tech/tags/crash.md>), [extension](<https://devfeed.tech/tags/extension.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [poetry](<https://devfeed.tech/tags/poetry.md>), [python](<https://devfeed.tech/tags/python.md>), [recovery](<https://devfeed.tech/tags/recovery.md>), [release](<https://devfeed.tech/tags/release.md>), [remote](<https://devfeed.tech/tags/remote.md>), [ssh](<https://devfeed.tech/tags/ssh.md>), [terminal](<https://devfeed.tech/tags/terminal.md>), [update](<https://devfeed.tech/tags/update.md>), [vs-code](<https://devfeed.tech/tags/vs-code.md>)

### AI overview

Microsoft's April 2026 release update for the Python Environments extension in Visual Studio Code describes faster startup and environment resolution, narrower workspace scanning, improved crash recovery, a Conda environment fix, automatic package-list refreshes, and multi-project terminal support.

### Source excerpt

The April 2026 release update includes the Python Environments extension... Keep on reading to learn more! The post Python Environments Extension for VS Code- April Update appeared first on Microsoft for Python Developers Blog.

## Building reproducible Python environments with XARs

DevFeed: [Building reproducible Python environments with XARs](<https://devfeed.tech/articles/building-reproducible-python-environments-with-xars-20155.md>)

Original publisher: [Read original article](<https://blog.janestreet.com/building-reproducible-python-environments-with-xars/>)

Author: Pavel Senchanka

Published: 2023-04-14T00:00:00Z

Content type: article

Language: en

Sources: [Jane Street](<https://devfeed.tech/sources/jane-street.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Conda](<https://devfeed.tech/topics/conda.md>), [Deployment](<https://devfeed.tech/topics/deployment.md>), [Docker](<https://devfeed.tech/topics/docker.md>), [OCaml](<https://devfeed.tech/topics/ocaml.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [build-system](<https://devfeed.tech/tags/build-system.md>), [conda](<https://devfeed.tech/tags/conda.md>), [declarative](<https://devfeed.tech/tags/declarative.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [docker](<https://devfeed.tech/tags/docker.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [python](<https://devfeed.tech/tags/python.md>), [reproducibility](<https://devfeed.tech/tags/reproducibility.md>)

### AI overview

Jane Street describes how it built js-python, a system for creating and deploying centrally built, reproducible Python environments. The system integrates Python environments with OCaml code and uses XAR for deployment after limitations with Conda and other tools became apparent.

### Source excerpt

Our traders and researchers love Python for its agility and for its huge open-source ecosystem, especially when it comes to machine learning. But the heavy use of notebooks can make it difficult to support. Notebooks have a very different lifecycle than regular code, and aren't always rigorously version controlled. And while most of our code (much of it written in OCaml) lives in a monorepo, putting all notebooks there is difficult; many notebooks end up being stored all over the place.

## From YAGNI to YDNIY

DevFeed: [From YAGNI to YDNIY](<https://devfeed.tech/articles/from-yagni-to-ydniy-20994.md>)

Original publisher: [Read original article](<https://codewithoutrules.com/2020/09/18/ydniy/>)

Author: Itamar Turner-Trauring

Published: 2020-09-18T00:00:00Z

Content type: tutorial

Language: en

Sources: [Itamar Turner-Trauring](<https://devfeed.tech/sources/itamar-turner-trauring.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Conda](<https://devfeed.tech/topics/conda.md>), [jupyter](<https://devfeed.tech/topics/jupyter.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [macOS](<https://devfeed.tech/topics/macos.md>), [pip](<https://devfeed.tech/topics/pip.md>), [data](<https://devfeed.tech/topics/data.md>), [C++](<https://devfeed.tech/topics/c-plus-plus.md>)

Tags: [c-plus-plus](<https://devfeed.tech/tags/c-plus-plus.md>), [conda](<https://devfeed.tech/tags/conda.md>), [jupyter](<https://devfeed.tech/tags/jupyter.md>), [jupyter-notebooks](<https://devfeed.tech/tags/jupyter-notebooks.md>), [linux](<https://devfeed.tech/tags/linux.md>), [macos](<https://devfeed.tech/tags/macos.md>), [python](<https://devfeed.tech/tags/python.md>), [releases](<https://devfeed.tech/tags/releases.md>)

### AI overview

The article introduces YDNIY, or "You Don't Need It Yet," as a complement to YAGNI. It argues that features that are necessary but not release blockers can be delayed when a product remains useful without them. The author illustrates this with the staged development of the Python memory profiler Fil across Linux, macOS, Jupyter, Conda, and multiple memory-allocation APIs.

### Source excerpt

How do you ship a product on schedule? One useful approach is applying the You Ain't Gonna Need It principle, or YAGNI for short: leave out all the things that seem nice-to-have, but you have no proof you actually need. But beyond the things you don't need, there are still plenty of features you pretty clearly do need... but are not blockers on releasing your product. So beyond YAGNI, there's also YDNIY: You Don't Need It Yet. Let's see an example of this principle in practice, visualize the principle as a flowchart, and then compare it to another popular acronymed concept, the Minimum Viable Product. A real world example: shipping a new memory profiler In March 2020 I shipped the initial release of a new memory profiler for Python, Fil. Here's how it changed over time in terms of features, from May to August 2020: 0.3.0, initial release: Installable via pip packaging tool, runs only on Linux, only profiles complete program runs. 0.3.3: Support for an additional memory allocation API. 0.4.0: Support for out-of-memory situations. 0.5.0: macOS support. 0.6.0: Support for mmap() allocation API. 0.7.0: Support for C++ memory allocation API. 0.9.0: Much faster and lower overhead in some use cases, added support for yet another memory allocation API. 0.10.0: Support for running inside Jupyter notebooks, and native support for installing via the Conda packaging tool. All of the features I added in later releases were clearly necessary from the start; YAGNI did not apply. Lots of people use macOS, the target audience of data scientists and scientists often use Conda and Jupyter, all those memory allocation APIs are used in the real world, and so on. But even a tool that only runs complete programs on Linux, and only tracks the most popular memory allocation APIs, is still useful to some people. If I had waited until all those features were implemented to ship an initial release, all the people who used the profiler during the first four months of its existence would have had