Rails 4.2.5.2, 4.1.14.2 and 3.2.22.2 have been released!
http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/

[ANN] Rails 4.2.6.rc1 and 4.1.15.rc1 have been released!
http://weblog.rubyonrails.org/2016/3/1/Rails-4-2-6-rc1-and-4-1-15-rc1-have-been-released/

AS::Executor and AS::Reloader APIs
https://github.com/rails/rails/pull/23807

Use file_fixture to access test files in Rails 5
http://blog.bigbinary.com/2016/03/02/use-file_fixture-to-access-test-files-rails-5.html

Rails 5 adds http_cache_forever to allow caching of response forever
http://blog.bigbinary.com/2016/03/04/rails-5-adds-http-cache-forever.html

Parameter filtering enhancement in Rails 5
http://blog.bigbinary.com/2016/03/07/parameter-filtering-enhacement-rails-5.html

HTML 5.1 editor’s draft
https://w3c.github.io/html/

What’s New in jQuery 3
http://developer.telerik.com/featured/whats-new-in-jquery-3/

Ember 2.4.0 Released
http://emberjs.com/blog/2016/02/29/ember-2-4-released.html

REM vs EM – The Great Debate
http://zellwk.com/blog/rem-vs-em/

Chrome 49 Stable Channel Update
http://googlechromereleases.blogspot.com.uy/2016/03/stable-channel-update.html

How to deploy software
https://zachholman.com/posts/deploying-software