Zcash for released new software in preparation for the first large-scale update.
FOR is called “Overwinter” and it should be activated in June June. Since this update will be implemented through hardwork, all users will need to be updated.
According to the blog post, Overwinter will include “versioning, protection against double playback with network updates, performance improvements for transparent transactions, a new feature of expiry of the transaction and much more.”
However, although Overwinter and contains all of these changes, he would need to do another update.
This update, which is called the Sapling should happen in September. The second update should reduce the amount of space required for storage of private transactions, and must proupdate mechanism that underlies the blockchain – zk-snarks.
According to reports from the forum zcash for the team repeatedly delayed the release of a Overwinter, citing the need for more time to review code and fix bugs found during testing.
As of February 27, “manual testing of release candidate” is still ongoing.