Upgraded from rails 3.0.7.rc1 to 3.0.8 today and ran into a problem when rendering haml: TypeError in Pages#home Cannot modify SafeBuffer in place Full Trace: activesupport (3.0.8) lib/active_support/core_ext/string/output_safety.rb:122:in `gsub!'' haml (3.1.1) lib/haml/compiler.rb:382:in `block in build_attributes'' haml (3.1.1) lib/haml/compiler.rb:358:in `each'' haml (3.1.1) lib/haml/compiler.rb:358:in `collect'' haml (3.1.1) lib/haml/compiler.rb:358:in `build_attributes'' haml (3.1.1) lib/haml/compiler.rb:407:in `prerender_tag'' haml (3.1.1) lib/haml/compiler.rb:119:in `compile_tag'' haml (3.1.1) lib/haml/compiler.rb:447:in `compile'' haml (3.1.1) lib/haml/compiler.rb:446:in `block (2 levels) in compile Only way I can avoid the error is if I remove everything from application.haml below %body -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/UGpIRE81VTA0ZWtK. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.