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  <title>Gonzalo Peña-Castellanos — Blog</title>
  <subtitle>New publications, articles, and essays.</subtitle>
  <link href="https://goanpeca.co/en/atom.xml" rel="self" type="application/atom+xml" />
  <link href="https://goanpeca.co/en/" rel="alternate" type="text/html" />
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  <updated>2026-02-19T00:00:00.000Z</updated>
  <author>
    <name>Gonzalo Peña-Castellanos</name>
    <uri>https://goanpeca.co/en/</uri>
  </author>
  <entry>
    <title>How I Use Claude Code: Meta Repos, Plan Persistence, and Iteration Logs</title>
    <link href="https://goanpeca.co/en/blog/2026/02/how-i-use-claude-code/" />
    <id>https://goanpeca.co/en/blog/2026/02/how-i-use-claude-code/</id>
    <published>2026-02-19T00:00:00.000Z</published>
    <updated>2026-02-19T00:00:00.000Z</updated>
    <summary>Practical patterns for AI-assisted development: meta repos for multi-project context, persisting plans in claude-plans/, and iteration logs for debugging hard bugs.</summary>
    <category term="AI" />
    <category term="Claude Code" />
    <category term="Developer Tools" />
    <category term="Workflow" />
  </entry>
  <entry>
    <title>Jupyter Mimetypes for Datalayer SDK</title>
    <link href="https://datalayer.blog/2025/08/11/jupyter-mimetypes" />
    <id>https://goanpeca.co/en/blog/2025/08/jupyter-mimetypes-datalayer-sdk/</id>
    <published>2025-08-11T00:00:00.000Z</published>
    <updated>2025-08-11T00:00:00.000Z</updated>
    <summary>Announcing the jupyter-mimetypes package for simplified data exchange between Jupyter kernels using Apache Arrow serialization.</summary>
    <category term="Jupyter" />
    <category term="Datalayer" />
    <category term="Python" />
  </entry>
  <entry>
    <title>Open Source and Open Science in Latin America</title>
    <link href="https://metadocencia.org/en/post/open-science-latin-america/" />
    <id>https://goanpeca.co/en/blog/2022/09/open-source-open-science-latin-america/</id>
    <published>2022-09-15T00:00:00.000Z</published>
    <updated>2022-09-15T00:00:00.000Z</updated>
    <summary>Exploring language localization challenges, infrastructure barriers, and community-building initiatives for open source and open science across Latin America.</summary>
    <category term="Open Source" />
    <category term="Latin America" />
    <category term="Community" />
  </entry>
  <entry>
    <title>Why We Are Excited About JupyterLab 3.0 Dynamic Extensions!</title>
    <link href="https://quansight.com/post/why-we-are-excited-about-jupyterlab-3-0-dynamic-extensions/" />
    <id>https://goanpeca.co/en/blog/2020/10/jupyterlab-3-dynamic-extensions/</id>
    <published>2020-10-19T00:00:00.000Z</published>
    <updated>2020-10-19T00:00:00.000Z</updated>
    <summary>Quansight&apos;s JupyterLab developers discuss the transformative changes in version 3.0, particularly dynamic extensions powered by webpack 5 module federation.</summary>
    <category term="Jupyter" />
    <category term="JupyterLab" />
    <category term="Extensions" />
  </entry>
  <entry>
    <title>Spyder 4.0 Beta 2 Release</title>
    <link href="https://www.spyder-ide.org/blog/release-spyder-4beta2" />
    <id>https://goanpeca.co/en/blog/2019/08/spyder-4-beta2/</id>
    <published>2019-08-01T00:00:00.000Z</published>
    <updated>2019-08-01T00:00:00.000Z</updated>
    <summary>Announcing the second beta release of Spyder 4.0 with new features including an improved editor, plots pane, and enhanced debugging capabilities.</summary>
    <category term="Spyder" />
    <category term="Python" />
    <category term="Release" />
  </entry>
  <entry>
    <title>TDK-Micronas Partners with Quansight to Sponsor Spyder</title>
    <link href="https://www.spyder-ide.org/blog/tdk-micronas-partners-with-quansight-labs/" />
    <id>https://goanpeca.co/en/blog/2019/06/tdk-micronas-quansight-spyder/</id>
    <published>2019-06-01T00:00:00.000Z</published>
    <updated>2019-06-01T00:00:00.000Z</updated>
    <summary>TDK-Micronas partners with Quansight to fund Spyder IDE development, supporting the scientific Python community through corporate sponsorship.</summary>
    <category term="Spyder" />
    <category term="Open Source" />
    <category term="Sponsorship" />
  </entry>
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