# vLLM v0.8.1 — Release & Upgrade Intelligence
- **Product:** vLLM (https://vllm.ai)
- **Version:** v0.8.1
- **Released:** Mar 19, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vllm/updates/v0.8.1/

## Executive Summary (TL;DR)
vLLM v0.8.1. Source highlight: This release contains important bug fixes for v0.8.0. We highly recommend upgrading!

## New Features
- [MODEL] Add support for Zamba2 models
- [Misc][Benchmark] Add support for different `tokenizer_mode`

## Improvements
- Enhanced CI/CD (#15054, 14974)

## Bug Fixes
- Fix long dtype in topk sampling (#15049)
- Fix size calculation of processing cache (#15114)
- Fix oracle for device checking (#15104)
- Fix chunked prefill with padding (#15037)
- [Bugfix] Fix interface for Olmo2 on V1
- [V1] TPU - Fix CI/CD runner for V1 and remove V0 tests

## Upgrade Command
```bash
python -m pip install 'vllm==0.8.1'
```