featureMay 29, 20262.1.154-2.1.156
Claude Code 2.1.154-2.1.156 added Opus 4.8 high-effort support, dynamic workflows, lower Fast mode cost, background agents, plugin controls, streaming tool execution, and an Opus 4.8 API-error fix.
Changelog
Claude Code changelog
This page shows the recent feature releases, price changes, improvements, and bug fixes recorded for the tool.
improvementMay 28, 20262.1.153
Claude Code 2.1.153 added Git LFS skip support for plugin marketplace sources, update diagnostics, better agent autocomplete and PR labels, MCP/auth startup cleanup, macOS background-agent permission persistence, model default selection, and many MCP, background-session, Windows, terminal, and renderer fixes.
improvementMay 27, 20262.1.152
Claude Code 2.1.152 added code-review fix mode, tool-disallowing skill frontmatter, skill reload hooks, plugin marketplace controls, fallback-model behavior, UI improvements, and multiple MCP, plugin, session, rendering, and telemetry fixes.
improvementMay 26, 20262.1.149
Claude Code 2.1.149 added usage breakdowns, keyboard-scrolling diff details, task-list rendering, enterprise MCP settings, and several PowerShell, sandbox, permission-analysis, macOS find, and startup approval fixes.
improvementMay 1, 20262.1.126
Claude Code 2.1.126 added gateway model discovery, project state purge, OAuth fallback login, Windows PowerShell detection, security fixes, and session reliability repairs.
featureJune 18, 2025MCP update
Added support for Streamable HTTP MCP servers, remote OAuth, and richer MCP resource handling.
featureJune 11, 2025Agent SDK
Released the Claude Code SDK for TypeScript and Python so teams can build custom agent workflows on top of Claude Code capabilities.
price-changeJune 4, 2025Plan access update
Expanded Claude Code access to Claude Pro and Max subscriptions.
featureMay 22, 2025General availability
Moved Claude Code to general availability with Anthropic's current generation coding models.
featureFebruary 24, 2025Research preview
Launched Claude Code in research preview as Anthropic's agentic CLI for software development workflows.