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| -rw-r--r-- | doc/release-notes.md | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md index 89ab150f1e..0c83e1cfc3 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -43,6 +43,22 @@ OSX 10.5 / 32-bit no longer supported * A 64-bit-capable CPU (see http://support.apple.com/kb/ht3696); * Mac OS 10.6 or later (see https://support.apple.com/kb/ht1633). +Downgrading warnings +-------------------- + +The 'chainstate' for this release is not always compatible with previous +releases, so if you run 0.9 and then decide to switch back to a +0.8.x release you might get a blockchain validation error when starting the +old release (due to 'pruned outputs' being omitted from the index of +unspent transaction outputs). + +Running the old release with the -reindex option will rebuild the chainstate +data structures and correct the problem. + +Also, the first time you run a 0.8.x release on a 0.9 wallet it will rescan +the blockchain for missing spent coins, which will take a long time (tens +of minutes on a typical machine). + Rebranding to Bitcoin Core --------------------------- |