@Somnus I purchased it from a website as a omada expansion bundle in January 2020 and the site said the omada compatibility would come in a firmware update, it even came with a free access point was sent by tp-link when I provided proof of purchase of a omada switch so that put my mind at ease.

@jezpgreat @Somnus 

Unfortunately this compatibility list it totally inaccurate.

The best source I found is the Support section.

In there you can select the device and the version. If there is a button "Controller Software" in the list, than the device is likely supported bu the Omada Controller software.

Nonetheless, I have seen differences in the various language/country sites.

@TP-Link 

When will there be a reliable compatibility list fort the Omada Controller software?

  @jezpgreat I bought two of the T2 600 switches also thinking i could use them with omada and i was wrong...T1600 i bought works fine but not the ones we have...I cant understand why they wouldnt send a firmware update to make them work....

@TP-Link After 4 months, a reply would be nice! 

  @MauriceGee 

Sorry.I ended up buying a Tp link SG 3428 to replace the T2 600 switch i bought...I have two of them i got and they work great but i wanted everything to be in Omada

  @jezpgreat Thank you. I should of did more research and now i own two of these t2600 switches. Got them on ebay for short money. I ended up buying the right one and its connected ..