v0.5.20

nestjs/nestv0.5.20Jul 7, 2026by decolua

AI Summary

This release introduces a thinking level picker feature with suffix support across multiple AI providers, along with several utility improvements including git-log filtering, style rules, and Farsi language support.

Key Highlights

Thinking: per-model thinking level picker that appends (level) suffix to model names
RTK: added JS-native git-log filter functionality
i18n: added Farsi (fa) language support
Multiple provider fixes including Claude, Kimi, Volcengine-ark, and Kiro

New Features

Thinking level picker with suffix support across AI providers
JS-native git-log filter for RTK
Targeted upstream-aligned style rules for Caveman
Farsi language support for i18n

Full Release Notes

Features:
- Thinking: per-model thinking level picker on provider page, appends (level) suffix to copied model names for forced reasoning effort across all formats (openai, claude, gemini, deepseek, kimi, qwen, zai, minimax, hunyuan, step)
- RTK: add JS-native git-log filter (#2423)
- Caveman: add targeted upstream-aligned style rules (#2424)
- i18n: add Farsi (fa) language support (#2385)

Fixes:
- Thinking: strip (level) suffix from upstream body.model so providers no longer reject requests
- Translator: preserve developer instructions in openai-responses conversion (#2434)
- count_tokens: count structured Anthropic blocks (#2419)
- Volcengine-ark: clamp GLM-5 max_tokens to model output ceiling (#2428)
- Kimi: normalize reasoning_effort to backend enum (#2427)
- Claude: reconcile max_tokens vs thinking budget and lift per-model ceiling (#2381)
- Kiro: deliver system prompt natively, add Opus 4.5/4.7/4.8, tolerate dash version ids (#2366)
- Headroom: proxy dashboard through app (#2372)
- MITM: recover from stale lock file on server start

Docs:
- README: swap in Vietnamese tutorial video; add English and Urdu/Hindi tutorials (#2305)
- Add CLAUDE.md guidance for Claude Code (#2354)