This document describes how to swap out the official Rails 2.3 gems with Rails 2.3 LTS. If you have installed...
We have made all versions of Rails LTS compatible with Ruby 3.3 or below. All Rails components should work as...
October 9th 2025, Rack version 1.4.7.25 Backported updates to Rack to address DOS vulnerabilities CVE-2025-61770, CVE-2025-61771...
October 9th 2025, Rack version 1.4.7.25 Backported updates to Rack to address DOS vulnerabilities CVE-2025-61770, CVE-2025-61771...
This document assumes you have installed Rails LTS before and want to update to a new version of the Rails...
This document describes how to swap out the official Rails 3.2 gems with Rails 3.2 LTS. If you have installed...
This document describes how to swap out the official Rails 4.2 gems with Rails 4.2 LTS. If you have installed...
October 9th 2025, Rack version 1.6.13.23 Backported updates to Rack to address DOS vulnerabilities CVE-2025-61770, CVE-2025-61771...
October 9th 2025, Rails version 5.2.8.35 No changes in Rails. Bumped Rack version requirement to version 2.2.19.10. October 9th 2025...
October 9th 2025, Rails version 6.1.7.31 No changes in Rails. Bumped Rack version requirement to version 2.2.19.10. October 9th 2025...
Note You can find the updated guide here. Rails 2.3 LTS works with Ruby 1.8.7, Ruby 2.5, and Ruby 2.7...
Historically, the "rack" gem was not part of Rails LTS, simply because it was maintained and released separate from Ruby...
This document describes how to swap out the official Rails 6.1 gems with Rails 6.1 LTS. If you have installed...
This document describes how to swap out the official Rails 5.2 gems with Rails 5.2 LTS. If you have installed...
An expectation like this will fail with Rails LTS 2.3: should render_template(:edit) The error will look like this...
With Rails 3.2 LTS your RSpec 2 controller specs might fail with an error like this: NoMethodError: undefined method `[]' for...
Rails LTS has been conceived as a drop-in replacement for Rails 2.3, 3.2, and 4.2. However, we do recommend...
Rails 3.2 LTS, 4.2 LTS, 5.2 LTS Run the following command: bundle show rails This will display the path of...
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bundle outdated [--filter-major|--filter-minor|--filter-patch] Example output for bundle outdated --filter-major Other examples
Calling bundle update GEMNAME will update a lot more gems than you think. E.g. when you do this: bundle update cucumber-rails ... you might think this will only...
Bundler >= 1.14 has a --conservative flag. Using the conservative flag allows bundle update GEM to update the version of GEM, but prevents Bundler from updating the versions of...