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RAILS Vladimir Dementyev
Evil Martians
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No content
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One can't build new tomorrow
using yesterday's tools
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github.com/palkan
2017-...
2016-...
2015-...
2015-...
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Path to X
Reflect
Listen
Observe
Predict
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What are the past decisions to reconsider?
What do users want?
What do competitors offer?
How do we stay relevant?
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Disclaimer: Sources
Personal reflections
Community surveys
Social platforms
Hallway tracks
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REFLECT
rails new --skip-javascript --skip-actiontext
--skip-hotwire --skip-actionmailbox --skip-ci
--skip-whatever
BALLAST TYPES
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CALLBACKS 29
RECONSIDER
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github.com/evilmartians/callback_hell
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CALLBACKS 29
RECONSIDER
ACTIVE RECORD 21
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–Anonymous Rails user with
10+ years of experience
“ActiveRecord was an
architectural failure since pre-1.0.”
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CALLBACKS 29
RECONSIDER
ACTIVE RECORD 21
ACTION MAILBOX 17
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CALLBACKS 29
RECONSIDER
ACTIVE RECORD 21
ACTION MAILBOX 17
ACTION TEXT 9
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laravel.com
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CALLBACKS 29
RECONSIDER
ACTIVE RECORD 21
ACTION MAILBOX 17
IVARS IN VIEWS 11
ACTION TEXT 9
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CALLBACKS 29
4
ACTION PATTERN
(CONTROLLERS)
RECONSIDER
ACTIVE RECORD 21
ACTION MAILBOX 17
IVARS IN VIEWS 11
ACTION TEXT 9
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module Store
module Products
class Create < Hanami::Action
include Deps["repos.product_repo"]
params do
required(:name).filled(:string)
end
def handle(request, response)
halt 422 unless request.params.valid?
product = product_repo.create(name: request.params[:name])
response.redirect_to routes.path(:product, id: product.id)
end
end
end
end
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module Store
module Products
class Create < Hanami::Action
include Deps["repos.product_repo"]
params do
required(:name).filled(:string)
end
def handle(request, response)
halt 422 unless request.params.valid?
product = product_repo.create(name: request.params[:name])
response.redirect_to routes.path(:product, id: product.id)
end
end
end
end
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CALLBACKS 29
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JS/CSS MGMT
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ACTION PATTERN
(CONTROLLERS)
RECONSIDER
ACTIVE RECORD 21
ACTION MAILBOX 17
IVARS IN VIEWS 11
ACTION TEXT 9
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–Reddit user
“Bad: JS integration. Every new
version comes with a different
approach. Not solid, no consistent.”
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propshaft
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propshaft jsbundling-rails esbuild
bun
cssbundling-rails
tailwindcss-rails
+ + +
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propshaft jsbundling-rails esbuild
bun
cssbundling-rails
tailwindcss-rails
+ + +
Joyful developer experiences
are about reducing friction
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propshaft jsbundling-rails esbuild
bun
cssbundling-rails
tailwindcss-rails
hotwire-spark
+ + +
+
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–Ruby on Rails Community
Survey 2024
“Better integration with
front-end technologies.”
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vite_rails
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vite_rails
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vite_rails
But now I need a JS
runtime :(
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vite_rails bundlebun
+
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github.com/yaroslav/bundlebun
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vite_rails bundlebun
+
Yes-Build Future For All,
No Deps Attached!
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Future For All—?
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ONE PERSON
FRAMEWORK
GETTING FROM ZERO TO ONE
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rails new
0
IPO
1 ∞
2 ···
New users Makers Growing startups Big Rails
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rails new
0
IPO
1 ∞
2 ···
New users Makers Growing startups Big Rails
"Listen" target audiences
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LISTEN
TO USERS AT ±0
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–Anonymous Rails user with
5+ years of experience
“rails new generates something
closer to a fully functional SaaS app
with the right flag configurations.”
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–Another anonymous Rails user
with 5+ years of experience
“The prebuilt modules you see teams using in the
Laravel community... there's a lot of convention
only provided by gems or private libraries, eg
Jumpstart”
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laravel.com
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railsbytes.com
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railsbytes.com
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My "starter kit"
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LISTEN
TO USERS BETWEEN ONE AND TWO
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“Official abstractions for service classes
and conventions on when to use them vs
using background jobs or models.”
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“Being opinionated it still lacks a clear
prescription on where to put business
logic code and architectural guidelines
on how to interact with other external
systems appart from the database”
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“Out-of-the-box solutions for service
objects, form objects, and policy objects
would be generally useful”
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Layered Rails 2ED
is out this December
RUBY30 for 30% off
(valid till Nov, 23rd)
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“Clearer paths for transitioning
architecture for Big Rails.”
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github.com/rubyatscale
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github.com/rubyatscale
Clearer paths, please
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github.com/rubyatscale
No setup, low config!
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github.com/palkan/engems
$!#(
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“Workflow orchestration”
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Active Job Continuation
class CloudGenerationJob < ApplicationJob
include ActiveJob::Continuable
def perform(cloud)
@cloud = cloud
step :moderate, isolated: true
step :generate, isolated: true unless cloud.failed?
end
end
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https://github.com/evilmartians/sfruby-clouds
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Active Job Continuation
New in Rails 8.1
No durability (Temporal?)
No parallel steps
Good foundation => build on top!
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“First-class native async support”
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# Supported since 8.0 (almost)
config.active_support.isolation_level = :fiber
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Puma
Action Cable
Server
Rails
Executor
Connection
Channel
Web
Socket
Channel Channel
Thread Pool
rack.hijack
#connect
#subscribed #receive
#disconnect
#unsubscribed
I/O
loop
Client
Socket
#send
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github.com/anycable/actioncable-next
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Puma
Action Cable
Server
Rails
Executor
Connection
Channel
Web
Socket
Channel Channel
Thread Pool
rack.hijack
#connect
#subscribed #receive
#disconnect
#unsubscribed
I/O
loop
Client
Socket
#send
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Puma
Action Cable
Server
I/O
loop
Rails
Executor
Connection
Channel
Web
Socket
Channel Channel
Worker Pool
rack.hijack
#connect
#subscribed #receive
#disconnect
#unsubscribed
Falcon Async Cable
AnyCable RPC
AnyCable
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github.com/anycable/actioncable-next
github.com/socketry/async-cable
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That’s all you need for scale!
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That’s all you need for scale!
...and AnyCable!
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That’s all you need for AI scale!
...and AnyCable!
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PREDICT
YESTERDAY'S TOMORROW IS TODAY
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Predictions
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Predictions
DX is more important than ever
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Predictions
DX is more important than ever
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For developers sake, for community's
sake, for better world,
I want you to enjoy programming
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Predictions
DX is more important than ever
AI-readiness is the must
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Predictions
DX is more important than ever
AI-readiness is the must
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This is Ruby's time to shine in AI!
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Predictions
DX is more important than ever
AI-readiness is the must
Hotwire hits its limits
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Predictions
DX is more important than ever
AI-readiness is the must
Hotwire hits its limits
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=> more frontend options
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“Inertia js support should be
done first class”
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“Rails will solve the view layer
better than React ever could”
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Frontend options
ReActionView
LiveComponent
Inertia Rails (and Inertia Native)
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In 2025, the frontend landscape for Rails isn’t
about choosing a single solution—it’s about
having the right tool for each job
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Future DX
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Future DX
Better LSPs and such (Herb ! ")
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“I want Rails to point out what's
missing, which design patterns, gems,
capabilities of the framework we're
not using the way we should. Act as
true and careful GuardRails for our
application.”
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GuardRails
Strict loading
Prosopite
Strong migrations
Isolator, TestProf
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Future DX
Better LSPs and such (Herb ! ")
GuardRails (linters, runtime guards, doctors)
Types (?)
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–Stan Lo, RubyWorld 2025
“Not for typecheker, for tools.”
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Future with AI
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Future with AI
AI-enhanced templates / starter kits / AGENT.md
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Future with AI
AI-enhanced templates / starter kits / AGENT.md
First-class AI concepts (RubyLLM, Active Agent)
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Future with AI
AI-enhanced templates / starter kits / AGENT.md
First-class AI concepts (RubyLLM, Active Agent)
Code & runtime intelligence
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Intelligence
MCP and such (Tidewave)
More introspection (callback_hell, chatwerk,
detailed view annotations)
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Future with AI
AI-enhanced templates / starter kits
First-class AI concepts
Code & runtime intelligence
Vibe coders onboarding
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Future with AI
AI-enhanced templates / starter kits
First-class AI concepts
Code & runtime intelligence
Vibe-boarding
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github.com/palkan/rails-tutorial-template
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Vibe-boarding
From zero to one without leaving the browser
Claude Code, Tidewave => only for coders
Next step => lightweight deployments
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ARE WE RAILS X YET?
DREAM UNTIL THE DREAMS COME TRUE
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Rails X
Beginner-friendly
Developer-friendly
AI-native
Ready to scale
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Docs, starter kits, UI kits, vibe-boarding
LSPs, guardrails, linters
AI concepts, augmentation
Maintainable architecture, performance-oriented extensions
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Who's in charge?
Core team?
Rails X may happen.. or may not
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Rails X != rails/rails
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Rails X
Safe & sound
Beginner-friendly
Developer-friendly
AI-native
Ready to scale
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Docs, starter kits, UI kits, vibe-boarding
LSPs, guardrails, linters
AI concepts, augmentation
Maintainable architecture, performance-oriented extensions
Stable, robust, and secure foundation
# rails/rails
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Future 101
Do this
Try this
Keep that in mind
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Rails X 101
Keep building software systems, keep sharing
Adopt new ideas within the community and get
inspired by the world outside of Rails
Remember that Rails is not a single, perfect
idea (rails/rails), it's a messy quilt
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Rails X 101
Keep building software systems, keep sharing
Adopt new ideas within the community and get
inspired by the world outside of Rails
Remember that Rails is not a single, perfect
idea (rails/rails), it's a messy quilt
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THANK YOU!