postgres-17
PostgreSQL 17 finally implements the SQL/JSON standard: constructors like JSON_OBJECT and JSON_ARRAYAGG, query functions JSON_EXISTS and JSON_QUERY, and the star of the release, JSON_TABLE, which turns JSON into rows, shown on a real IoT data example.
ruby
OJ speeds up JSON in Ruby, but Oj.mimic_JSON silently drops the script_safe option, opening the door to XSS, and adds time precision quirks. What its monkey patching really changes, the stability risks, and best practices for using OJ without surprises.
ruby
JSONB columns in Ruby on Rails without extra gems: use store_accessor to read and write keys like normal attributes, set sensible defaults, and validate required keys with a small module. Practical code you can drop into a PostgreSQL-backed Rails app.