In this slideless JakartaONE conference session I used openliberty 19.0.8 and Payara Full servers. OpenLiberty 19.0.6 passed the Jakarta EE 8 TCK (see results) and therefore is Jakarta EE 8 compatible.
...this is probably the very first live coding demo which uses a certified Jakarta EE 8 runtime:
See you at Web, MicroProfile and Java EE Workshops at Munich Airport, Terminal 2 or Virtual Dedicated Workshops / consulting. Is Munich's airport too far? Learn from home: airhacks.io.