2026-08-10 claude-codeai-agentsdeveloper-tools Claude Code 2.1.224 Lets One Session Message Another Cross-session messaging landed on August 7, 2026. ListAgents and SendMessage move plain text between your sessions, and crossSessionInbound decides what actually arrives.
2026-07-27 cursorai-agentsdeveloper-tools Cursor Router Makes Auto a Per-Request Model Decision Cursor Router shipped on July 22, 2026. Auto now classifies every request and routes it to a different model, and the Cost, Balance, and Intelligence modes change both the quality you get and how you are billed.