Anthropic: rapid Claude updates

Anthropic is testing a much bigger Claude Code desktop app as its coding tool ships updates at a pace measured in days, not months. (testingcatalog.com) A coding agent is software that reads a codebase, edits files, runs commands, and checks tests instead of only suggesting snippets line by line. Anthropic says Claude Code already does that from the terminal, and the company now says most of its own code is written by Claude Code. (anthropic.com) The new report points to an unreleased desktop overhaul inside Anthropic under the codename “Epitaxy.” TestingCatalog reported on April 13 that the build adds separate Plan, Tasks, and Diffs panels, code preview inside the app, multi-repository work, and a “Coordinator Mode” for parallel sub-agents. (testingcatalog.com) Anthropic’s public changelog shows the shipping product has been moving quickly even before that interface appears. The official Claude Code release notes list version 2.1.101 on April 10, 2026, and a GitHub mirror shows fixes for memory leaks, resume failures, a command-injection vulnerability, and enterprise certificate handling in that release. (code.claude.com) (github.com) A separate changelog roundup published April 13 counted more than 30 Claude Code versions, from 2.1.69 to 2.1.101, in roughly five weeks. That summary says the run included a flicker-free rendering engine, an interactive “/powerup” learning flow, and tighter sandboxing for enterprise use. (help.apiyi.com) The model underneath the tool also changed this year. Anthropic introduced Claude Opus 4.6 on February 5, 2026, saying the model was better at coding, code review, debugging, and long agentic tasks, and that it brought a 1 million token context window in beta to the Opus line for the first time. (anthropic.com) By March 30, Anthropic’s platform release notes said 1 million token context windows were available on Claude Opus 4.6 and Claude Sonnet 4.6 at standard pricing, without a beta header. The same notes said older Sonnet 4 and Sonnet 4.5 1 million token beta access would be retired on April 30, 2026. (platform.claude.com) Anthropic is also building more of the surrounding agent infrastructure. On April 8, the company launched Claude Managed Agents in public beta with secure sandboxing and built-in tools, and launched the ant command-line client with native Claude Code integration. (platform.claude.com) That leaves Claude Code straddling two tracks at once: a terminal product that is shipping frequent fixes and workflow features, and a reported desktop layer that would make planning, delegation, and code review visible in one window. Anthropic has not published the “Epitaxy” interface on its official product pages yet. (code.claude.com) (testingcatalog.com) If Anthropic ships the desktop redesign, the next phase of the coding-agent race will look less like autocomplete in an editor and more like supervising several software workers at once. The public changelog suggests that shift is already being built release by release. (anthropic.com) (code.claude.com)