# Missing Features

Features not yet implemented in the Zig version:

## 1. Prometheus Metrics Format (format=p1)
- Export weather data in Prometheus metrics format
- See API_ENDPOINTS.md for format specification

## 2. PNG Generation
- Render weather reports as PNG images
- Support transparency and custom styling
- Requires image rendering library integration

## 3. Multiple Locations Support
- Handle colon-separated locations (e.g., `London:Paris:Berlin`)
- Process and display weather for multiple cities in one request

## 4. Language/Localization
- Accept-Language header parsing
- lang query parameter support
- Translation of weather conditions and text (54 languages)

## 5. Json output
- Does not match wttr.in format

## 6. Moon endpoint
- `/Moon` and `/Moon@YYYY-MM-DD` endpoints not yet implemented
- Moon phase calculation is implemented and available in custom format (%m, %M)