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Ruby Startup News

The latest from the Ruby ecosystem: funding rounds, product launches, and community updates.

Press

Gusto becomes first member of Ruby Alliance, Ruby Central's new ecosystem coalition

Ruby Central launches the Ruby Alliance — a coalition of companies making significant investments in the long-term health, resilience, and sustainability of the Ruby ecosystem and its infrastructure. SF-based $9.5B Rails unicorn Gusto signs on as the inaugural member.

Gusto via Ruby Central
Event

Blastoff Rails 2026 in Albuquerque — June 11-12, Irina Nazarova + Kieran Klaassen keynote

Yearly U.S. Rails conference returns to Albuquerque, NM (June 11-12). 9 talks including keynotes from Irina Nazarova (Evil Martians) and Kieran Klaassen. Other talks: 'How to Become a Famous Ruby/Rails Agentic Developer,' 'Why We're Still Training Rails Developers in an Age of AI,' 'Fewer Tests, More Confidence.' Sponsors include Typesense, Avo, AppSignal.

via Blastoff Rails
Event

Blue Ridge Ruby 2026 in Asheville — 21 talks, agent-thread cluster

Two-day, single-track Ruby conference in downtown Asheville (April 30 - May 1). 21 talks including 'LLM Telemetry as a First-Class Rails Concern,' 'Instillment of Successful Practices in an Agentic World,' and a lightning talk on 'Teaching Claude Code to Upgrade Rails.' Speakers: Joël Quenneville, Rachael Wright-Munn, Katya Sarmiento, Ifat Ribon.

via Blue Ridge Ruby
Release

Matz unveils Spinel — AI-built Ruby AOT compiler, 11.6× faster than MiniRuby

At RubyKaigi 2026 in Hakodate, Yukihiro Matsumoto debuted Spinel, a native Ruby compiler that goes Ruby → AST → C → binary. Three-year-old idea, implemented in weeks with Claude Code. MIT licensed, 1.5K GitHub stars.

via The Register
Press

Chime turns first GAAP profit — $647M revenue (+25%), 10.2M members

SF-based Rails fintech reports its first GAAP profitable quarter as a public company. Net income $53.5M, EPS $0.13 (vs. -$0.08 expected), adjusted EBITDA $118.6M (18% margin). Raises full-year guidance to $2.66–2.69B.

Chime via Chime Investor Relations
Release

Stripe Sessions 2026: 288 launches, agentic commerce, Link AI-agent wallet

SF Ruby company (Sinatra + internal framework) ships 288 new products at its annual conference. Agentic Commerce Suite expands with Meta and Google partnerships, Link adds an AI-agent wallet, and Stripe Reader T600 ships. 9,000 attendees at Moscone.

Stripe via Stripe Newsroom
Acquisition

Shopify acquires Vantage Discovery to deepen AI search stack

Rails Foundation Core member absorbs the San Jose AI-search startup for an undisclosed amount. Vantage's semantic-search team joins Shopify's merchant + buyer AI stack. Comes in a Q1 of $3.2B revenue (+34%) and the first $100B+ GMV quarter.

Shopify via BetaKit
Release

Intercom launches Fin for Sales — AI agent now qualifies leads and books meetings

Fin moves beyond support. Spring broadcast ships Fin for Sales (qualifying leads, booking meetings, starting trials), a free Fin Copilot tier (10 conversations/month per agent), and Fin Insights with CX Score and Optimize Dashboard. Fin growing 350% YoY across 8,000 companies — all on a 2M-line Rails monolith.

Intercom via SiliconANGLE
Release

Doximity ships free Clinical AI Suite to U.S. clinicians

SF-based Rails Foundation Core member bundles Ask, Scribe, and Dialer into one free product for U.S. clinicians. Scribe is already generating millions of clinical notes for 10K+ Doximity members in beta.

Doximity via Doximity Blog
Release

Gusto Spring Showcase: ~75 features deepen Claude, ChatGPT, Slack

SF Rails unicorn ($9.5B valuation) extends its agent-accessible footprint. Owners now run payroll and ask wage / overtime questions in natural language inside Claude, ChatGPT, and Slack — building on the April launch.

Gusto via Gusto
Press

Saeloun packages Garry Tan's AI toolkit as a Rails workflow

Rails consultancy Saeloun publishes a long-form walkthrough of the YC CEO's stack — Perplexity, Claude Code, Codex, Conductor, GBrain, gstack, Copilot/CodeRabbit, mandatory human gate — framed explicitly as the Rails AI setup. First time a Rails shop packages and evangelizes Tan's runtime-agnostic tooling as a Rails workflow.

via Saeloun
Press

Garry Tan: "Thin harness, fat skills" — the agentic engineering thesis

YC CEO publishes a 90-day retrospective on agentic engineering: push fuzzy operations into markdown skills, push deterministic operations into code, keep the harness thin. The clearest articulation yet of why opinionated, convention-driven frameworks compose well with LLMs — without saying Rails by name.

via LinkedIn
Release

thoughtbot ships a Rails-audit Claude Code skill

Jose Blanco and Chad Pytel built a Claude Code skill that runs a structured Rails code audit against thoughtbot's Ruby Science / Testing Rails playbooks plus a security checklist, returning severity-tagged Markdown reports. MIT licensed.

via thoughtbot
Release

AngelList launches USVC — $500-minimum venture fund open to everyone

SF-based Rails platform opens a regulated closed-end venture fund to every U.S. investor (no accreditation required) at a $500 minimum. Naval Ravikant chairs the investment committee. Holdings include OpenAI, Anthropic, xAI, Sierra, Crusoe, Vercel, and Legora.

AngelList via Crowdfund Insider
Press

Omada crosses 1M members, joins Optum Rx Weight Engage for GLP-1

SF Rails company posts Q1 revenue $78M (+42% YoY), 1.02M members (+51%, first time over 1M), and a small adjusted EBITDA profit ($1M vs. -$4M a year ago). Joins Optum Rx's Weight Engage portfolio for GLP-1 access — now contracted with all three major PBMs — and Eli Lilly's Employer Connect. Raises 2026 guidance to $322–330M.

Omada Health via GlobeNewsWire
Press

Shopify Q1 2026: $3.2B revenue (+34%), first $100B+ GMV quarter

Rails Foundation Core member crosses $100B in quarterly GMV for the first time. Merchant solutions revenue +39%, free-cash-flow margin held at 15%. Stock dropped on softer Q2 guidance, but the print is a milestone for any commerce platform.

Shopify via Shopify
Press

Instacart Q1 2026: first $1B revenue quarter, ads +16%

Rails-backed grocery platform crosses $1B in quarterly revenue for the first time. Total revenue $1.02B (+14%), GTV $10.3B, GAAP EPS $0.57. Advertising revenue grew 16% — its fastest pace since Q3 2023.

Instacart via Instacart IR
Press

Block Q1 2026: record gross profit $2.91B (+27%), Cash App +38%

Adjusted EPS $0.85 (+52%). Raised full-year guidance to $12.33B gross profit / $3.34B adjusted operating income. Shares up ~10% pre-market. Cash App and Square continue running on Ruby/Rails.

Block via StockTitan
Press

Airbnb Q1 2026: $2.7B revenue (+18%), GBV $29.2B

Rails-rooted travel platform raises full-year revenue growth outlook to low-to-mid teens. Flagged elevated EMEA/APAC cancellations from Middle East war but otherwise a clean print.

Airbnb via Airbnb News
Event

Rails World 2026 heads to Austin — 1,200 seats, AI/Agentic Systems track

Rails Foundation announces the biggest Rails World yet: Austin, Sep 23–24, 1,200-attendee capacity with dedicated AI / Agentic Systems and Trust & Security tracks. CFP closes May 16. Corporate tickets ($1,300) live; general admission ($699) on sale May 12, 10am CT.

via Rails Foundation
Release

RubyLLM 1.15: image editing, cost tracking, Action Text safety

Carmine Paolino's RubyLLM (≈5M downloads, ~3,900 stars) ships image editing via paint, conversation cost tracking with cache-read/write buckets, and Action Text plain-text extraction so HTML doesn't leak into prompts. Aliases now include Claude Opus 4.7.

via GitHub
Press

GitHub adopts Herb to lint 500K lines of ERB across the github.com monolith

Joel Hawksley, staff engineer at GitHub working on the github.com Rails monolith, publishes the inside story: Rails core wants Herb to replace Erubi, and GitHub — rendering ERB at the largest scale of any Rails app — was asked to validate the parser. 500K lines of ERB across 10K files. Herb caught invalid markup and Ruby syntax that erb_lint had missed (~150 mismatched-tag cases alone). Main blocker is compile speed (7–15× slower than Erubi today).

GitHub via hawksley.org
Release

Herb v0.10 ships diff engine, dev server, and the foundation for reactive ERB

Marco Roth releases Herb v0.10 in time for RubyKaigi 2026, with a Syntax Tree Diff Engine, a Herb Dev Server (live page updates without full refresh, via the new @herb-tools/client package), compile-time optimizations for Action View tag helpers, and ActionView-specific static analysis. Marco's RubyKaigi talk: 'HTML-Aware ERB: The Path to Reactive Rendering.'

via GitHub
Release

Ruby 4.0.3 ships ERB 6.0.1.1 security patch

A point release patching CVE-2026-41316: a Marshal.load deserialization vulnerability triggered when ERB and ActiveSupport are loaded against untrusted input. Recommended upgrade for every Rails app on Ruby 4.0.

via ruby-lang.org
Event

SF Ruby Meetup, May @ Checkr: fraud at scale, DSPy.rb, Chatwoot CEO

Thursday May 21, 5pm, One Montgomery St. Kurt Ude (Checkr) on engineering fraud solutions at enterprise scale, Waldemar Quevedo (Synadia) on building agents in Ruby with DSPy, and Pranav Raj (Chatwoot CEO, YC W21). 116+ RSVPs.

via Luma
Press

Stripe details Selective Test Execution for its 50M-line Ruby monorepo

Aditya Anchuri (Tech Lead, Ruby Infra Platform) publishes the inside story of Stripe's CI: 50 million lines of Ruby (Sinatra + internal framework), and Selective Test Execution that runs only ~5% of tests on average per PR. One of the largest Ruby codebases in the world, with engineering culture to match.

Stripe via Stripe Dev Blog
Press

Coinbase, Stripe, and Shopify back x402 Foundation for AI payments

Three Ruby-based companies — Coinbase (Rails), Stripe (Sinatra), and Shopify (Rails) — back the Linux Foundation's new open standard for AI-native payments. Coinbase and Stripe co-founded it with Cloudflare; Shopify joins alongside Google, AWS, Microsoft, Mastercard, and Visa.

via CoinDesk
Acquisition

Gusto acquires Mosey and ships payroll in Claude and Slack

SF-based Rails unicorn ($9.5B valuation) acquires compliance platform Mosey (April 8) — then ships payroll inside Claude and Slack (April 9). Two agent-native moves in 48 hours from a Rails Foundation Contributing member.

Gusto via PR Newswire
Release

Intercom opens Fin API platform to developers

Rails Foundation Core member opens its Fin AI agent to third-party developers. Fin Search API and Reranker API. Contracts from $250K/year. Fin is on $100M ARR inside a $400M ARR Rails monolith.

Intercom via Intercom Blog
Acquisition

Thatch welcomes Venteur customers, consolidating ICHRA lead

SF-based Rails health benefits platform (Series B, $84.5M raised, a16z/Index/General Catalyst) takes over competitor Venteur's customers, employees, and broker relationships.

Thatch via PR Newswire
Acquisition

Apollo.io acquires Pocus, approaching $200M ARR — Rails monolith keeps expanding

SF-based Rails sales platform (230M+ contacts, approaching $200M ARR) absorbs enterprise revenue intelligence platform Pocus. 400% enterprise account growth in past 12 months.

Apollo.io via TNW
Release

Basecamp becomes agent-accessible — new CLI and AI skill modules from 37signals

DHH ships a new API, CLI, and agent skill modules letting AI agents manage projects, create to-do lists, post messages, and arrange schedules. Next up: HEY and Fizzy.

Basecamp via HEY World
Release

Rails adds official AGENTS.md for AI coding agents

Rafael Mendonça França opens AGENTS.md; Xavier Noria merges. Project-specific guidance for Claude Code, Copilot, and other AI agents — Rails' monorepo structure, testing conventions, and contribution rules now live in the repo.

via GitHub
Release

Puma 8.0 "Into the Arena": IO-bound thread management

Default Rails web server adds IO-bound thread marking (puma.mark_as_io_bound), dynamic thread pool updates at runtime, and default IPv6 bind address.

via GitHub
Release

RubyGems.org ships DoS prevention and compromised password detection

AST-based gem content validation designed by Aaron Patterson, audited against all 180K existing gems. Have I Been Pwned integration already flagged 1,166 accounts with breached credentials.

via RubyGems Blog
Event

Omacon NYC: DHH's sold-out 130-person event at Shopify celebrates agent-native tools

$299 tickets sold out in hours. ThePrimeagen, TJ DeVries, Dax Raad on stage. Celebrates terminal UIs, AI coding tools, and Omarchy — 37signals' Linux distro with 50K ISO downloads/week.

via Omacon
Event

RubyKaigi 2026: the world's largest Ruby conference heads to Hakodate

Three days in Hokkaido, Japan. Speakers include Matz, Charles Nutter (JRuby), and Satoshi Tagomori. Lightning talks on a chartered Hakodate tram.

via RubyKaigi
Event

Ruby Runway: first-ever global startup pitch competition from Ruby Central

Early-stage Ruby startups (under $500K raised) compete live at RubyConf 2026 in Las Vegas. 1st/2nd/3rd place plus Attendee Choice Award. Applications close April 17.

via RubyConf
Release

JRuby 10.0.5.0 adds Java 26 and RISC-V 64 support

Targets Ruby 3.4 compatibility with official Java 26 support and RISC-V 64 architecture. Fixes 43 issues including memory leaks and JIT compiler bugs.

via JRuby
Release

Ruby 3.2 reaches end of life — time to upgrade to Ruby 4.0

Final security patches for Ruby 3.2 (3.2.11) and 3.3 (3.3.11) shipped March 27. Ruby 3.2 officially EOL April 1. Upgrade to Ruby 4.0.x or stay on 3.4.x for continued support.

via ruby-lang.org
Release

Herb v0.9: the ERB toolchain that gives the Rails frontend real IDE support

A fast C-based HTML+ERB parser that now understands Action View helpers like tag.*, content_tag, and link_to. As Hotwire pushes more UI logic into ERB, Herb brings the linting, formatting, and code intelligence that JS frameworks take for granted — and gives AI coding tools a proper AST to work with instead of raw string matching.

via Herb Blog
Release

Claude Code adds Ruby LSP to its official plugin directory

Anthropic merges Ruby LSP into its official Claude Code plugins, giving Ruby developers one-command install for go-to-definition, hover, and diagnostics — 900x faster than text search for finding call sites.

via GitHub
Funding

Intercom raises $250M as ARR tops $400M — all on a Rails monolith

The Rails Foundation Core member secures $250M in debt financing. Its 2M-line Rails monolith powers Fin, an AI agent nearing $100M ARR on its own. Plans to hire 650 globally.

Intercom via Business Post
Press

YC CEO Garry Tan ships garryslist.org with Rails + Claude Code, open-sources his setup

Garry Tan averages 10K LOC and 100 PRs/week building a Rails app with Claude Code. Open-sourced gstack — 6 Claude Code skills for planning, review, and shipping. "Rails was designed for syntactic sugar, and LLMs are sugar fiends."

via GitHub
Press

Chime targets GAAP profitability in 2026, projecting $2.6B+ revenue

The Rails-powered fintech that IPO'd at $11.6B reports 31% revenue growth and 9.5M active members. Rails Foundation Contributing member on track to become one of the largest profitable public Rails companies.

Chime via StockTitan
Press

Chatwoot trending: 27.7K GitHub stars for the open-source Rails alternative to Intercom

The YC-backed, Rails-powered customer support platform is the fastest-growing Ruby repo on GitHub this month (+490 stars). Built by a 10-person team doing $870K in revenue.

Chatwoot via GitHub
Release

Lago launches Embedded — white-label open-source billing built on Rails

The open-source billing API (9K+ GitHub stars) launches Lago Embedded, letting companies ship billing as a feature in weeks. PayPal is an early adopter. Built in Ruby by a team with 10 years of Rails experience.

Lago via Lago Blog
Acquisition

Spring Health acquires Alma — combined $6–7B entity, $1B revenue in year one

The Rails-powered mental health platform (50M+ lives covered) acquires Alma's therapist network (120M+ lives). Nearly 10M mental health visits projected for 2026. SF office at 2 Embarcadero Center.

Spring Health via PR Newswire
Press

GitLab surpasses $1B ARR — authorizes $400M share buyback

Rails Foundation Core member crosses the $1B ARR milestone. Full-year revenue $955M (+26%). Added most $1M+ customers ever in Q4. Free cash flow grew 83% to $220M.

GitLab via BusinessWire
Release

Apollo.io launches AI Assistant — first agentic GTM platform, built on Rails monolith

SF-based $1.6B sales intelligence platform — powered by a Rails monolith serving 210M+ contacts — launches its AI Assistant out of beta. 20K weekly active users, 2.3x more meetings booked. Also launched a native Anthropic Claude connector.

Apollo.io via PR Newswire
Release

Shopify Winter '26 Edition: 150+ updates, Agentic Storefronts, $3.67B/quarter

Rails Foundation Core member ships 150+ product updates including Agentic Storefronts (products in ChatGPT, Perplexity, Copilot) and Sidekick AI app builder. Revenue $3.67B (+31%), GMV hit $124B. Authorized $2B share buyback.

Shopify via Shopify
Press

Omada Health reports first profitable quarter — 58% revenue growth

SF-based Rails company reports Q4 revenue of $75.8M (+58% YoY), its first profitable quarter with $5.16M net income. Membership grew 55% to 886K. Stock surged 14%. Guiding $312–322M for 2026.

Omada Health via GlobeNewsWire
Release

Checkr launches AI identity verification to combat deepfake hiring fraud

SF-based Rails company launches IDV product with biometric liveness detection and forensic document analysis. Built with Socure. Also partners with Intuit to embed background checks in QuickBooks for 120K+ businesses.

Checkr via SiliconANGLE

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