Update Ruby & Bundler to v4

Open klaustopher opened this issue 3 months ago • 0 comments

Bump Ruby to the new 4.0.0 Release.

Release Notes can be found at https://www.ruby-lang.org/en/news/2025/12/25/ruby-4-0-0-released/

Bump Bundler to the new 4.0 Release.

Release Notes can be found at https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.0

4.0 changes are described here: https://blog.rubygems.org/2025/12/03/upgrade-to-rubygems-bundler-4.html

Not intended to be merged directly, but checking if our infrastructure is breaking in any way.

Ticket https://community.openproject.org/projects/openproject/work_packages/70247/activity

Dec 12 '25 12:12 klaustopher