Found the new version on the UK site. https://www.tp-link.com/uk/download/TL-PA9020P-KIT.html#Firmware

Indy wrote 9020P V3 has an update btw: https://static.tp-link.com/2018/201806/20180628/TL-PA9020P(EU_UK_AU)_V3_180511.zip Still 2.2. You'll get an S3 permission denied error if you try to follow that...

Peter M wrote The real improvement lies in not using AV2000 kit. Use high profile brand AV1200 kit, from vendors who actually keep their firmware updated. Why not AV2000? For me the 9020P is working...

djmastera2000 wrote So if you determine link-drops or enormous speed-cuts, you have to deactivate MIMO in order to establish a good and stable powerline connection. I had many (similar) issues with...