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Oct 8 2017

This Week in Rails: HTTP/2 Early hints, friendly error message and more!

Hi there! It's Prathamesh from Pune, enjoying rain 🌧, sipping ☕️ coffee  and bringing you latest news from the Rails world. Let's get started!
Featured
13 people contributed to Rails the past week! If you'd like to join them, why not check out the list of open issues?
New
Early Hints is a new HTTP status code that allows your application to send links to assets that you would like to load early. The spec is still in draft but Rails is ready to support it along with Puma. Check this blog post to know more about this feature.
Improvements
If for some reason the frontend code tries to unsubscribe from a non existing Action Cable subscription, then a friendly error message will be displayed:

Unable to find subscription with identifier: {"channel":"SomeChannel"}.

Earlier, it used to show:

NoMethodError - undefined method `unsubscribe_from_channel' for nil:NilClass
Wrapping Up
Feel free to check out the full list of changes.

Thanks to the 13 people contributed to Rails last week. If you'd like to join them, check out the list of open issues. Until next week 👋 
This Week in Rails · 30 N Racine #200 · Chicago IL 60607 · USA
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