# slow windows build
Drastic increase in build and warm up times when upgrading to 3.9.0
3.xpending triageviteupstreamneeds reproductionperformance
Nuxt 3 Dev build time is very slow in WSL 2 Linux Ubuntu ~ ranging up to 30 seconds just to refresh changes
pending triageneeds reproduction
The packaging time is too slow, up to 6 minutes. Serious impact on development efficiency
3.xpending triageneeds reproduction
`run` is extremely slow after upgrade 3.5.1 from 3.5.0 with Window Os
3.xworkaround availablepending triagebugwindows❗ p4-important
There are many files in my application, and it took 40 minutes to buildingNitro server
3.xpending triageneeds reproductionclosed-by-bot
Slow nuxt build of nitro on code changes when use DB
3.xpending triagenitro