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77Run `claude --version` to check your installed version.
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9<Update label="2.1.252" description="August 31, 2026">
10 * Fixed Bash commands failing with "task output swap refused (tasks dir moved or linked)" on some Macs
11 * Fixed "always allow" not saving in a project that has no .claude/settings.local.json yet
12 * Fixed Remote Control sessions hosted by Claude Desktop or VS Code stalling for minutes after a tool finished when the connection to claude.ai was degraded
13 * Fixed background task notifications with very large failure output (for example git errors on a full disk) making the conversation exceed the API request size limit
14</Update>
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916<Update label="2.1.251" description="August 28, 2026">
1017 * Added `PreModelSwitch` and `PostModelSwitch` hook events (block, confirm, or annotate a model switch); `SessionStart` resume hooks now receive session staleness and the estimated re-cache cost
1118 * Added live streaming of a foreground subagent's tool calls and results to Remote Control clients (background subagents, the default, still show status only)
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20542061 * `claude doctor` now shows the result of your last update attempt
20552062 * Combined the separate "needs authentication" startup notifications for MCP servers and connectors into a single message
20562063 * macOS: background agents now appear as "Claude Code" in Privacy & Security and keep their permission grants across upgrades
2057 * Fixed stateful MCP servers without the optional GET SSE stream reconnect-looping on `tools/list` (regression in v2.1.147)
2058 * Fixed a regression where a custom API gateway could receive the user's Anthropic OAuth credential instead of the gateway's own token
2059 * Fixed subagent (Agent tool) frontmatter MCP servers ignoring `--strict-mcp-config`, `--bare`, remote mode, enterprise managed MCP config, and managed-settings MCP server allow/deny policies
2060 * `--strict-mcp-config` no longer strips inline `mcpServers` from explicitly-passed agent definitions (`--agents` / SDK `agents`), and blocked subagent MCP servers now surface a visible warning
2061 * Fixed
2064 * Fixed stateful MCP servers without the optional GET SSE stream rec