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RubyKaigi 2025

Day 1 (141)

As announced at @rubykaigi today, I've been working on a new HTML-Aware ERB Parser that I just released today.

Introducing Herb — a fast, modern, and HTML-aware ERB parser, designed from the ground up for smarter developer tooling.

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is an emotional rollercoaster for me. A talk struggles to solve issues already fixed by JRuby. A sponsor tells me they already use JRuby. Another believed JRuby is dead and abandoned it. An attendee runs JRuby at massive scale. Another never heard of it. 😀😭😮😕🤔

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It's a beautiful day in Matsuyama for day one! Looking forward to talking shop with from all over the world and teaching a new generation of Rubyists what JRuby has to offer!

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Giving my talk at today on my newest SQLite project—Plume. Plume will be a suite of tools for working with SQlite elegantly, and the first major tool is a parser that is 100% compatible with SQLite source. Excited to share more today!

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The opening keynote by @ima1zumi was really interesting, and technical parts were very well-explained.

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Ruby conferences don’t normally test whether I remember my university level math notation.

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オートマトン理論で互換性を担保するチャレンジ

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