Claude Code's late-June release run, topping out at version 2.1.195 on June 26, 2026, adds a long-requested /rewind command, cuts CPU use during streaming by about 37 percent, and hardens how the CLI talks to MCP servers. The batch spans versions 2.1.187 through 2.1.195 and is heavy on reliability and agent-workflow fixes.

What Happened

Across four releases, Anthropic shipped a steady stream of agentic-coding improvements to Claude Code. The headline is /rewind, which lets you resume a conversation from before you ran /clear, recovering context you would previously have lost for good. Alongside it, streaming responses now coalesce text updates to 100ms intervals, dropping CPU usage during generation by roughly 37 percent and easing long-session memory growth.

Key Details

Most of the work targets reliability for agent and tool workflows. MCP capability discovery (tools/list, prompts/list, resources/list) now retries transient network errors with backoff, MCP OAuth retries once after a failure, and HTTP 404s show the offending URL instead of a vague error. Hook matchers with hyphenated identifiers such as code-reviewer or mcp__brave-search now match exactly rather than accidentally substring-matching, a subtle bug that could silently fire the wrong hooks.

Security and control also got attention. A new sandbox.credentials setting blocks sandboxed commands from reading credential files and secret environment variables, organizations can now restrict which models appear in the picker, and auto mode blocks destructive git and infrastructure commands like git reset --hard and terraform destroy unless you explicitly asked for them.

Why It Matters for Creators

If you build with AI coding agents, these are the unglamorous fixes that decide whether a long session holds together. The MCP reliability work matters most for anyone wiring Claude Code to external tools, because flaky capability discovery and OAuth drops are exactly what break multi-step agent runs. The CPU reduction makes all-day sessions noticeably lighter on a laptop.

What to Do Next

Update to 2.1.195 with claude update, then try /rewind the next time you clear a conversation by mistake. If you run MCP servers, the Claude Code docs cover configuration, and the retry improvements mean it is worth revisiting any MCP integrations that felt unreliable before. For teams, review the new sandbox.credentials and model-restriction settings.

For the earlier baseline, see our roundup of Claude Code 2.1.152.