Release 2.1.301

Added

• Added CLAUDE_CODE_RETRY_WATCHDOG_MAX_USAGE_LIMIT_WAIT_MS so unattended retry mode (CLAUDE_CODE_RETRY_WATCHDOG) ends a request at a usage limit that resets too far away instead of waiting
• Added OpenTelemetry tracing guidance to the claude-api skill, including setting up trace destinations with the ant CLI
• Added the % motion to vim mode: jump to the matching bracket, alone or with d/c/y
• Added rows to a mod's Input: a text field of several lines in the terminal, where Enter submits and Shift+Enter or a backslash before Enter starts a new line
• Added classifier_verdict and permission_mode to OpenTelemetry tool_decision events, so auto mode classifier decisions can be told apart from permission rules
• Added classifier_category to OpenTelemetry tool_decision events, naming the built-in rule a classifier block matched, when OTEL_LOG_TOOL_DETAILS=1
• [VSCode] Added LaTeX math rendering in Claude's responses, including $$ and multi-line \[ … \] blocks and inline $…$ and \(…\) math
• [VSCode] Added a "Get more usage" link to the usage-limit banner for Pro and Max plans in the VS Code and JetBrains panels

Changed

• Changed a mod hook's .catch handler to run only when the hook throws or times out; events raised beneath the hook's own calls now skip that hook without asking its .catch
• Changed a mod's $.env.set to resolve with {} once the variable is set or unset, or with { deny } saying why when the write is not made

Improved

• Improved switching to a model with a smaller context window: a conversation too long for the new model is now summarized by the previous model first
• Improved rendering performance while a long-running subagent works: its progress trail now updates incrementally instead of being reprocessed in full on every render
• Improved artifacts: pages Claude writes now paint the band above a sticky header, so scrolled text no longer shows there in the mobile apps
• Improved mods: in VS Code and the desktop and mobile apps, a tree drawn above the question dialog can now hold Markdown and up to 48 rows; the terminal keeps 12 plain rows