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Tired of manually searching for functions in spreadsheets? We've added a Search feature in the Designer Insert Function dialog in SpreadJS, a JavaScript spreadsheet component. Save time and easily find the function you need without scrolling through a long list. Try it and streamline your development process. Learn more at the link: sbee.link/7pwjft9cra #JavaScript #MicrosoftExcel #Spreadsheets #ReleaseNotes #Search #InsertFunction #Dialogs #Designer #DeveloperTools
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SpreadJS v19.1 is here! When evaluating a new spreadsheet component release, what's most important to a development team? Vote below and tell us why in the comments! #JavaScript #MicrosoftExcel #Spreadsheets #ReleaseNotes #DeveloperTools #SoftwareDevelopers
0% Better performance
0% Faster dev workflows
0% Better scalability
0% Enhanced spreadsheet UX
0 votes • Final results
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headless-spreadjs 0.0.6 comes with massive performance improvements by caching hot files in memory and some other goodies for multi-file operations, formula tracing and visual analysis
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Enable real-time #spreadsheet collaboration. #SpreadJS 19 by @MESCIUS_inc adds support for collaborative work with a new server add-on that enables multiple users to edit the same spreadsheet simultaneously. dlvr.it/TPw1VT
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Apply LAMBDA functions directly to cell selections. SpreadJS 18.2 by @MESCIUS_inc adds new Transform command to execute LAMBDA formulas over selected cells and replace them in one step. dlvr.it/TMVxPw
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7 Aug 2025
What's up with all these excel agent copying each other lol @EndexAI @UseCarousel @Fundamental Here I started Agent Calc, an open source spreadsheet agent using LibreOffice WASM, contributions welcome! github.com/PointerHQ/agent-c… It's literally an Excel front-end with a code agent generating code to manipulate the spreadsheet. Some are Excel plugins, some are using libraries like mescius spreadjs (expensive licensing btw).
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Replying to @mattcassinelli
Genius indeed. That said, it doesn't run on Excel — it's most likely SpreadJS. Real Excel pros aren't going to leave the tool they've spent years mastering anytime soon. Rowanlabs.ai is just as capable, but works directly inside Excel.

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Replying to @litcapital
Nice demo. It probably runs on SpreadJS, but finance and accounting pros live and breathe Excel. At rowanlabs.ai, we're building an agent directly inside Excel, specifically trained on real workflows. Less hype, more practical gains for industry professionals.

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Replying to @metakuna
They didn't clone excel and they didn't RL any model They are just using SpreadJS as the spreadsheet and normal Claude
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📝ブログ公開📝 #CodeZine で、メシウスのJavaScriptライブラリ「SpreadJS(スプレッドJS)」の技術記事が公開されました🎉 記事では、Excel VBAで作られた既存のスプレッドシート資産をWebアプリとして再活用するための手法を紹介しています。ぜひご一読ください! ift.tt/2sbL9xZ
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Collaborate in real-time with #spreadsheet sync. SpreadJS by @MESCIUS_inc enables seamless real-time co-editing in #JavaScript applications with a modular collaboration framework that delivers conflict-free editing. dlvr.it/TLXPY7
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