what changed. the latest updates to your ai tools, straight from their official changelogs.
2025-10-27 + SDK Added --max-budget-usd flag+ Add branch and tag support for git-based plugins and marketplaces using fragment syntax (e.g., `owner/repo#branch`) ~ Plan mode: introduced new Plan subagent original ↗ + 6 more − less ~ Subagents: claude can now choose to resume subagents ~ Subagents: claude can dynamically choose the model used by its subagents ~ Discovery of custom slash commands, subagents, and output styles no longer respects .gitignore ~ Stop /terminal-setup ~ Various other bug fixes ✓ Fixed a bug where macOS permission prompts would show up upon initial launch when launching from home directory− less full release → oct 27 oct 27 2025-10-24 + New UI for permission prompts + Added current branch filtering and search to session resume screen for easier navigation~ VSCode Extension: Add config setting to include .gitignored files in file searches original ↗ + 2 more − less ~ VSCode Extension: Bug fixes for unrelated 'Warmup' conversations, and configuration/settings occasionally being reset to defaults ✓ Fixed directory @-mention causing "No assistant message found" error− less full release → oct 24 oct 24 2025-10-21 − Removed legacy SDK entrypoint. Please migrate to @anthropic-ai/claude-agent-sdk for future SDK updates: https://platform.claude.com/docs/en/agent-sdk/migration-guideoct 21 oct 21 2025-10-20 ~ Claude Code Web: Support for Web -> CLI teleport ~ Sandbox: Releasing a sandbox mode for the BashTool on Linux & Mac ~ Bedrock Display awsAuthRefresh output when auth is requiredoriginal ↗ + 1 more − less ✓ Fixed a bug where project-level skills were not loading when --setting-sources 'project' was specified− less full release → oct 20 oct 20 2025-10-17 + IDE Add toggle to enable/disable thinking.+ Add support for enterprise managed MCP allowlist and denylist ✓ Fixed content layout shift when scrolling through slash commandsoct 17 oct 17 2025-10-16 + Support MCP structuredContent + Added an interactive question tool+ Added Haiku 4.5 as a model option for Pro usersoriginal ↗ + 2 more − less ~ Claude will now ask you questions more often in plan mode ✓ Fixed an issue where queued commands don't have access to previous messages' output− less full release → oct 16 oct 16 + Added support for Claude Skillsoct 16 oct 16 2025-10-15 ~ Auto-background long-running bash commands instead of killing them. Customize with BASH_DEFAULT_TIMEOUT_MS ✓ Fixed a bug where Haiku was unnecessarily called in print modeoct 15 oct 15 + Added Haiku 4.5 to model selector!~ Haiku 4.5 automatically uses Sonnet in plan mode, and Haiku for execution (i.e. SonnetPlan by default) ~ 3P (Bedrock and Vertex) are not automatically upgraded yet. Manual upgrading can be done through setting `ANTHROPIC_DEFAULT_HAIKU_MODEL` original ↗ + 3 more − less ~ Introducing the Explore subagent. Powered by Haiku it'll search through your codebase efficiently to save context! ~ OTEL: support HTTP_PROXY and HTTPS_PROXY ~ CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC− less full release → oct 15 oct 15 2025-10-14 ✓ Fixed bug with resuming where previously created files needed to be read again before writing✓ Fixed bug with -poct 14 oct 14 2025-10-10 ~ Improve permission checks for bash with inline env vars ~ Reduce unnecessary logins ~ Document --system-prompt original ↗ + 4 more − less ~ Several improvements to rendering ~ Plugins UI polish ✓ Fix @-mentioning MCP servers to toggle them on/off ✓ Fix ultrathink + thinking toggle − less full release → oct 10 oct 10 2025-10-09 ✓ Fixed /pluginoct 9 oct 9 ~ **Plugin System Released**: Extend Claude Code with custom commands, agents, hooks, and MCP servers from marketplaces ~ /plugin install~ Repository-level plugin configuration via `extraKnownMarketplaces` for team collaboration original ↗ + 8 more − less ~ /plugin validate~ Plugin announcement blog post at https://www.anthropic.com/news/claude-code-plugins ~ Plugin documentation available at https://code.claude.com/docs/en/plugins ~ Comprehensive error messages and diagnostics via `/doctor` command ~ Avoid flickering in /model ~ Improvements to /help ~ Avoid mentioning hooks in `/resume` summaries ~ Changes to the "verbose" setting in `/config` now persist across sessions − less full release → oct 9 oct 9 2025-10-08 ↑ Reduced system prompt size by 1.4k tokens ✓ IDE Fixed keyboard shortcuts and focus issues for smoother interaction✓ Fixed Opus fallback rate limit errors appearing incorrectlyoct 8 oct 8 2025-10-07 + Added tab completion for shell commands in bash mode~ Rewrote terminal renderer for buttery smooth UI ~ Enable/disable MCP servers by @mentioning, or in /mcp original ↗ + 3 more − less ~ PreToolUse hooks can now modify tool inputs ~ Press Ctrl-G to edit your prompt in your system's configured text editor ✓ Fixes for bash permission checks with environment variables in the command − less full release → oct 7 oct 7 2025-10-06 ✓ Fix regression where bash backgrounding stopped working oct 6 oct 6 2025-10-04 + IDE Add drag-and-drop support for files and folders in chat~ Update Bedrock default Sonnet model to `global.anthropic.claude-sonnet-4-5-20250929-v1:0` ~ /context: Fix counting for thinking blocks original ↗ + 2 more − less ~ Improve message rendering for users with light themes on dark terminals − Remove deprecated .claude.json allowedTools, ignorePatterns, env, and todoFeatureEnabled config options (instead, configure these in your settings.json) − less full release → oct 4 oct 4 2025-10-02 + IDE Add "Open in Terminal" link in login screen+ SDK Added SDKUserMessageReplay.isReplay to prevent duplicate messages✓ IDE Fix IME unintended message submission with Enter and Taboct 2 oct 2 2025-09-30 ~ Skip Sonnet 4.5 default model setting change for Bedrock and Vertex ~ Various bug fixes and presentation improvements sep 30 sep 30 2025-09-29 + New native VS Code extension + Add subagents dynamically with `--agents` flag ~ Fresh coat of paint throughout the whole app original ↗ + 7 more − less ~ /rewind a conversation to undo code changes ~ /usage command to see plan limits ~ Tab to toggle thinking (sticky across sessions) ~ Ctrl-R to search history ~ Unshipped claude config command ~ Hooks: Reduced PostToolUse 'tool_use' ids were found without 'tool_result' blocks errors ~ SDK The Claude Code SDK is now the Claude Agent SDK− less full release → sep 29 sep 29
