Bytecode cache is experimentally released in Ruby2.3
http://rimuru.lunanet.gr.jp/blog/cruby-bytecode-cache-is-experimentally-released

What’s new in Rails 5?
http://nithinbekal.com/posts/rails-5-features/

David Heinemeier Hansson on the Future of Rails
http://thepracticaldev.com/dhh-on-the-future-of-rails

Per-form CSRF tokens
https://github.com/rails/rails/pull/22275

Default new apps to tag logs with request_id
https://github.com/rails/rails/pull/22949

Rendering views outside of controllers in Rails 5
http://blog.bigbinary.com//2016/01/08/rendering-views-outside-of-controllers-in-rails-5.html

New Rails security HTTP headers
https://rorsecurity.info/portfolio/new-http-headers-for-more-security

What HTTP/2 Means for Ruby Developers
https://www.nateberkopec.com/2016/01/07/what-http2-means-for-ruby-developers.html

Passages Rails Engine
http://jakeyesbeck.com/2016/01/03/passages/

Announcing Scenic - Versioned Database Views for Rails https://robots.thoughtbot.com/announcing-scenic—versioned-database-views-for-rails

ActiveRecord stole my data and now I want it back!
https://medium.com/@yammereng/activerecord-stole-my-data-and-now-i-want-it-back-3041ac4eb163

Understanding Mutable Objects & Frozen Strings http://www.blackbytes.info/2016/01/ruby-mutability/

Git 2.7 Released
https://www.phoronix.com/scan.php?page=news_item&px=Git-2.7-Released
https://github.com/blog/2094-new-year-new-git-release

PostgreSQL 9.5: UPSERT, Row Level Security, and Big Data
http://www.postgresql.org/about/news/1636/

UPSERT on Postgres 9.5
http://blog.andrebarbosa.co/upsert-on-postgres-9-5/

Write XOR Execute JIT Support Lands For Mozilla Firefox
https://www.phoronix.com/scan.php?page=news_item&px=W-XOR-E-Firefox