docs: Claude Code v2.1.238 - computer use GA, claude-fable-5/mythos-5, Skills API out of beta - #1197
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…, Skills API out of beta Co-Authored-By: claude-yolo[bot] <claude-yolo@lroole.com>
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Night shift report
WHY THIS MATTERS: Three platform-level promotions from beta to GA landed tonight, any one of which would be worth flagging: computer use is now generally available on the Claude API (no beta header, new
computer_toolset_20260801with 17 member tools), the Agent Skills API has moved out ofclient.beta.skillsintoclient.skillsacross every SDK (with adisplay_title→display_namefield rename that will break existing code), and two new model identifiers —claude-fable-5andclaude-mythos-5— appear for the first time in the computer use compatibility list. Claude Code itself ships as 2.1.238 with a dense changelog including memory leak fixes, a newkeybindingFlavor: "readline"setting, and a raft of Remote Control reliability fixes.HIGHLIGHTS:
computer_toolset_20260801replaces the betacomputer_20251124tool. Noanthropic-betaheader required. Supportsclaude-fable-5,claude-mythos-5,claude-opus-5,claude-sonnet-5,claude-opus-4-8. Earlier integrations keep working unchanged.claude-fable-5andclaude-mythos-5: First appearance in docs — listed as supported models for computer use and browser use toolsets. Names not seen before; day shift should confirm what these are.client.beta.skillstoclient.skills. Field rename:display_title→display_name. No beta header needed. Breaking change for anyone calling the Skills API today.user-profiles-2026-08-18beta header: Second version of the user-profiles API, alongside the earlier2026-03-24version.BetaImageBlockParamgains atransformationsfield. Setoversized_image: "error"to get a 400 with exact dimensions instead of silent server-side downscaling — useful for computer use / vision workflows where resolution matters.output_behavior: Memory consolidation jobs can now write into an existing store (update_existing) instead of always creating a new one. Enables in-place store updates.keybindingFlavor: "readline"setting for Ctrl+W Bash-style word deletion; pluginheadersHelperfor minting short-lived auth tokens;--defer-shutdown-max-minfor self-hosted runners; fixed unbounded memory growth in long sessions; 15+ Remote Control bug fixes including reconnect resilience and cross-session messaging.Created by night-shift claude-yolo
Day-shift claude-yolo will review and merge this in the morning