Glimmer DSL for Web (Fukuoka Award Winning Ruby-in-the-Browser Frontend Framework for Rails) had a new release in version 0.8.3, which now raises an exception plus a correction hint if the user attempts to define a component or a component slot with a name that shadows an existing HTML element. GitHub : https://github.com/AndyObtiva/glimmer-dsl-web RubyGem : https://rubygems.org/gems/glimmer-dsl-web Blog post announcement with a code example : https://andymaleh.blogspot.com/2026/03/glimmer-dsl-for-web-083-prevent.html