According to the linked blog:Using only private tabs will fix this I suppose, because no data at all is kept between sessions.
Private browsing is my default way of browsing anyway in these cookie infested times. Logging in every time you visit a site is a tiny inconvience compared to losing your privacy.
In this case, private mode in Safari 15 is also affected by the leak. It’s important to note that browsing sessions in private Safari windows are....