discourse-k8s docs: Changelog

[arturo-seijas (Arturo Enrique Seijas Fernández)]

Changelog

2025-01-20

• Add changelog for tracking user-relevant changes.

2024-12-09

• Add sidekiq_max_memory config option to control UNICORN_SIDEKIQ_MAX_RSS environment variable.

2024-11-26

• Removed broken Discourse Rad plugin.
• Update Ruby version to 3.2.6