From the blog "Featured News"

Due to a changing regulatory climate, we’ve had to make the difficult decision to sunset a very popular sales mechanism for content in Second Life.  It’s widely known as "gacha", and is defined by a chance-based outcome as a result of a payment.   We know that creators plan their content releases far in advance and will need to re-tool their products, so to mitigate the impact to those affected, we are giving a 30-day grace period, until midnight SLT on August 31.  After that time, selling