Improvements:

• Remove support for PostgreSQL 9.0/9.1/9.2. (Reviewed by Stefan Fercot.)
• Restore errors when no backup matches the current version of PostgreSQL. (Contributed by Stefan Fercot. Reviewed by David Steele. Suggested by Soulou.)
• Add compress-level range checking for each compress-type. (Reviewed by Stefan Fercot. Suggested by gkleen, ViperRu.)

Documentation Improvements:

• Add warning about enabling "hierarchical namespace" on Azure storage. (Reviewed by Stefan Fercot. Suggested by Vojtech Galda, Pluggi, asjonos.)
• Add replacement for linefeeds in monitoring example. (Reviewed by Stefan Fercot. Suggested by rudonx, gmustdie, Ivan Shelestov.)
• Clarify target-action behavior on various PostgreSQL versions. (Contributed by Chris Bandy. Reviewed by David Steele, Anton Kurochkin, Stefan Fercot. Suggested by Anton Kurochkin, Chris Bandy.)
• Updates and clarifications to index page. (Reviewed by Stefan Fercot.)
• Add dark mode to the website. (Suggested by Stephen Frost.)