Why is my Stacks transaction pending?

📣 Please ensure that you've installed the newest Stacks Wallet for desktop before following any instructions in this FAQ, which may not be relevant to older versions.

While there are no known issues impacting correct, well-formed transactions, some transactions can be pending for a long time. Pending transactions will be discarded after 256 blocks or ~48 hours — a transaction that is not confirmed, by definition, has no impact on your assets and can be re-sent by the original sender.

More details on transactions in mempool can be found in this forum post on transactions in mempool: best-practices and known issues.