FIND-20260402-006 · 2026-04-02 · Innovation Veille
Release: Claude Code v2.1.90 — /powerup feature + security fix for PowerShell tool permissions
release
MEDIUM
Claude Code 2.1.90 released April 1 2026 (ODS was on 2.1.87). Three updates: (1) new interactive /powerup feature for learning Claude Code capabilities; (2) performance fix for large streamed frames; (3) security vulnerability fix in PowerShell tool permissions. The PowerShell permission fix is security-relevant for any Windows ODS dev environments running Claude Code. Update recommended. ODS agents run Claude Code on Linux (srv-agents) — PowerShell fix is not critical for Linux, but /powerup and streaming performance improvements are beneficial for agent productivity.
Source
https://github.com/anthropics/claude-code/releases/latest
ODS Impact
Claude Code is the agent runtime for ADLC and PDLC pipelines on srv-agents. Performance improvement for large streamed frames directly benefits long-running agent tasks (e.g. dev agent generating large Rust services). Update to 2.1.90 on srv-agents to get streaming performance fix.
Security Review
License: Proprietary | Maintenance: ACTIVE | Risk: LOW | Recommendation: SAFE_TO_USE
Tags
release
claude-code
agent
tooling
performance
security-fix