Only the latest stable release published on NuGet receives security updates.

If you discover a security vulnerability, please open an issue with the label security. Do not disclose the vulnerability publicly until it has been addressed.

You can expect an initial response within 5 business days. Once triaged, we will work on a fix and publish a new patch version as soon as possible.

• Input validation: All Parse methods validate input length (max 256 characters) and limit the number of components to prevent DoS via excessive memory allocation.
• Overflow protection: TryParse catches OverflowException to safely handle out-of-range numeric values.
• Immutability: CalendarVersion instances are immutable, preventing accidental or malicious state modification after creation.