Features
========
Backend:
* Support added for zstd compressed repomd meta data of download on demand repositories
Bugfixes
========
Frontend:
* Update rack RubyGem to version 2.2.20
- Unbounded parameter parsing in Rack::QueryParser can lead to memory exhaustion via semicolon-separated parameters (CVE-2025-59830)
- Unbounded multipart preamble buffering enables DoS (memory exhaustion) (CVE-2025-61770)
- Multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion) (CVE-2025-61771)
- Multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion) (CVE-2025-61772)
- Improper handling of headers in Rack::Sendfile may allow proxy bypass (CVE-2025-61780)
- Unbounded read in Rack::Request form parsing can lead to memory exhaustion (CVE-2025-61919)