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Release · FuXi · fuxicodex

FuXi v0.1.8

What's new in FuXi v0.1.8, released Sep 22, 2026 (). This is the latest version.

Official release notes ↗ FuXi changelog

Release notes

FuXi v0.1.8

FuXi 0.1.8 Release Announcement

Release Date: September 22, 2026

We are pleased to announce the release of FuXi 0.1.8, a major update following 0.1.7. This release introduces rate-limit banners and an official plugin marketplace mirror, and delivers systematic stabilization and refinement across session storage, the engine, permissions, Windows compatibility, and the user interface.

New Features

  • Rate-limit banners: unified rate-limit data now feeds subscription banners; usage beyond the limit is silently rolled into additional usage with clear notification.
  • Official plugin marketplace mirror: the plugin marketplace is now served from an official GCS mirror, making plugin installs more stable and reliable.

Performance

  • Smoother long-session interactions: estimated scroll offsets and zero render-time filesystem syscalls reduce a cold first frame from ~1.6s (1000 lines) to ~160ms; scrolling performance is now independent of line count.
  • Faster resume & reads: a resume reads the transcript only once (34MB: 4.6s → 0.8s); sessions larger than 5MiB are read through a precompacted fast path in 1MB sequential chunks (~4.9× on a 30MB transcript); write-side 100ms batching keeps the disk format unchanged.
  • Streaming render fix: the linkify O(n²) full-render issue is resolved (20KB single line: 278ms → 2.9ms); streaming output no longer appears non-streaming.

Sessions & Messages

  • Session storage-chain optimization: a precompact read fast path, write-side batching, and live-cache re-append are introduced (metadata such as titles and tags flush synchronously, and external SDK writes are absorbed via a 64KB tail window).
  • Message-chain integrity: parentUuid chains now fully link every participant, with automatic re-linking after forks; switching sessions no longer loses in-flight messages; a unified session UUID registry fixes the /clear cache invalidation issue.

Permissions & Security

  • Dialog & rules: the permission dialog now uses a numbered Select list; "Always Allow" clearly displays the exact rule to be persisted; low-risk file commands (mkdir/cp/mv/touch/rmdir) are relaxed to command-name prefix rules.
  • Stability & Bash safety: the whole-UI freeze caused by permission dialogs is resolved (approval sends are now non-blocking); the Bash read-only gate is hardened (backticks and newlines can no longer bypass auto-approval); permission suggestions are built once per request and differentiated by reason.

Windows Compatibility

  • Startup & rendering: when Git for Windows is missing, startup now provides installation guidance directly (no longer stuck behind the login flow); CJK console glyphs and borders adapt to terminal capabilities, resolving mojibake, tofu, and input-box jitter; subprocess output is decoded strictly as UTF-8.

Engine & Tools

  • Non-streaming fallback: on empty or interrupted streams, the current turn is automatically retried via a non-streaming request.
  • Tool-execution dedup: a tool state machine and tracker form a dedup closed loop, eliminating duplicate tool cards.
  • Tool behavior unification: Read, Write, Edit, Notebook, and PDF tools now share consistent behavior and error messages; non-standard error prefixes are removed.

UI / MCP / Misc

  • UI: the task list is deduplicated (the right sidebar is the single task surface); the plan-approval dialog fits exactly, with buttons remaining visible on long plans.
  • MCP: the command allowlist is re-seeded after configuration reloads (servers added at runtime are no longer blocked); ~/.fuxi.json global configuration is unified.

Installation & Upgrade

Installation scripts automatically fetch the latest version with integrity verification.

macOS / Linux

curl -fsSL https://downloads.fuxicode.com/bootstrap.sh | bash

Windows (PowerShell)

irm https://downloads.fuxicode.com/bootstrap.ps1 | iex

Windows (CMD)

curl -fsSL https://downloads.fuxicode.com/install.cmd -o %TEMP%\install.cmd && %TEMP%\install.cmd

Existing users can upgrade by re-running the corresponding command. For issues, please report them at https://github.com/fuxicodex/Fuxi/issues.