v2.2.10.1

v2.2.10.1 — Transport Hardening

TLS Session Reuse

• Go: Explicit LRU TLS session cache (64 entries) on the default transport, TLS 1.2 minimum
• Ruby: Switched from net_http (per-request connections) to net_http_persistent adapter
• Lua: Persistent TCP+TLS connection pool for the LuaSocket backend; cached curl handle for FreeSWITCH

Response Compression

• Java, Kotlin, Scala, TypeScript, C#: Added Accept-Encoding: gzip with transparent decompression
• Go, Python, PHP, Rust, Swift, Ruby already handled compression natively

Idempotency Keys

• All 12 SDKs now send an Idempotency-Key header on POST/PUT/PATCH requests
• Key is generated once per logical request and stable across retry attempts

HTTP/2

• Java: Default HttpClient now negotiates HTTP/2 for multiplexed concurrent requests