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I'm using Rails 3.2.13 and the Rails Asset Pipeline. I want to use the Asset Pipeline so I can use SASS and CoffeeScript and ERB for my assets and have the Pipeline automatically compile them, so I cannot turn off the pipeline in development. I am not precompiling assets in development ever and there is not even a public/assets/ directory. However, when I make changes to an included file, such as to a _partial.html.erb file that is included (rendered) in a layout.html.erb file, without changing the file doing the including itself (in this example layout.html.erb ), Sprockets doesn't detect the change and invalidate the cache, so I keep getting the same stale file. When I'm doing this in active development, I want to disable any caching of assets so I can get the changes on every request but I cannot figure out how to do this. I have set all of the following in my development.rb : config.action_controller.perform_caching = false config.action_dispatch.rack_cache = nil config.middleware.delete Rack::Cache config.assets.debug = true config.assets.compress = false config.cache_classes = false Still, even with this, files show up under tmp/cache/assets/ and tmp/cache/sass/ and changes are not available on future requests. Right now I have to manually delete those directories every time I want to see a change. Unfortunately, the entire contents of the How Caching Works section of the RoR Guide for the Asset Pipeline is: Sprockets uses the default Rails cache store to cache assets in development and production. TODO: Add more about changing the default store. So, how can I get Sprockets to compile assets on demand but not cache the results?

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