v2.2.15

What's Changed

• Bump WireGuard version to 2.2.15 (d1be283)
• Add PoC to bypass slider captcha from https://github.com/cacggghp/vk-turn-proxy (2ff16f9)
• Do not clear credentials cache after restart proxy (110b23a)

Full Changelog: v2.2.14...v2.2.15