Upgrading the version of a Hanami project isn't just about updating a gem
Actions in Hanami are similar to controllers in Rails
Parsing an RSS feed in Ruby is doable with a gem called rss
When testing a feed parser in Python, it is possible to detect a non-well-formed feed
Upgrading Hanami, part 1: migrations, Sebastian Wilgosz
Controllers and actions, Sebastian Wilgosz
Detecting a non-well-formed feed, Feedparser (Read the docs)
Whether you're a total beginner or an experienced developer, this learning process may still be hard. Over time, we become used to certain things, and it can be painful to change. But without change, there is no challenge and without challenge, there is no growth. — Hanami Guides
An Introduction To Hanami 2.0, Honeybadger