Claude Code (2.1.300) introduces virtualText, cache metrics, agent view controls, right-to

EXHIBIT 2059

Oct 14, 2026 19:19 UTC docs https://raw.githubusercontent.com/anthropics/claude-code/main/CHANGELOG.md

Claude Code (2.1.300) introduces virtualText, cache metrics, agent view controls, right-to-left text, and numerous bug fixes.

READY TO POST:

claude code 2.1.300 just dropped, adding virtualText for prompts, better cache metrics, and direct agent view controls. lots of fixes too!

big claude code update! version 2.1.300 brings new mod hooks for prompt changes and workflow agent spawning, plus a ton of quality of life improvements.

Claude Code changelog changed: https://raw.githubusercontent.com/anthropics/claude-code/main/CHANGELOG.md 89 added lines --- +++ @@ -1,2 +1,91 @@ # Changelog +## 2.1.300 +- Added `virtualText` to a mod's prompt decorations: text drawn in the prompt box that never enters the draft or the submitted prompt +- Added `cache_creation_5m_tokens` and `cache_creation_1h_tokens` to the OpenTelemetry `api_request` event, splitting cache writes by lifetime +- Added `$.ui.view({ agentId })` for mods: shows an agent's transcript in the main view when you ask, and `$.ui.view({})` goes back +- Added a `dir` prop on a mod's `Text` for right-to-left text: on Windows and in VS Code's terminal its rows read in that direction and sit flush right +- Added `/advisor` on Claude Platform on AWS; no advisor runs until you pick one with `/advisor`, `advisorModel` or `--advisor`, and `CLAUDE_CODE_DISABLE_ADVISOR_TOOL=1` turns it off +- Added OpenTelemetry GenAI semantic-convention attributes to trace spans, such as `gen_ai.provider.name`, `gen_ai.conversation.id`, `gen_ai.tool.name` and `error.type` +- Added support for rewriting a workflow agent's `prompt` and `model` in the `agent.spawn` mod hook, which could only refuse workflow agents before +- Added the `prompt.change` mod hook, raised when the prompt box's text changes without a typed edit: a recalled history entry, a clear, an undo, or a plugin's fill +- Fixed cloud sessions telling Claude that an organization policy blocked a host when the session's own network settings did +- Fixed `/autocompact` warning about high token usage when you choose a smaller auto-compact window +- Fixed SessionEnd hooks sometimes not running when you exit while a background command is still running +- Fixed `claude --help` naming a removed tool in its description of `--restricted` +- Fixed `claude agents` not refreshing any pull request's status when the data for one of them came back incomplete +- Fixed Claude being told a background agent was lost, no