It is from July last year. There seems to be no more update after that in this Science daily article.

Source: https://news.ki.se/gene-therapy-restored-hearing-in-deaf-pat...

Holy moley. Let's hope this leads to treatments for Tinnitus.

It works on people with e specific birth gene defect named OTOH. So likely not helping with tinnitus.

> So likely not helping with tinnitus.

Not directly, no, but here's hoping that it leads to something in the adjacent field of Tinnitus.