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author | MarcoFalke <falke.marco@gmail.com> | 2016-01-14 19:34:05 +0100 |
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committer | MarcoFalke <falke.marco@gmail.com> | 2016-01-17 12:05:13 +0100 |
commit | fa8c497d846320d7c186025171bb9c89105896ae (patch) | |
tree | 1338277b5ebd41856b7fae09cdc1cb5a88c54253 /doc/release-notes.md | |
parent | 82667afd7884555005bfd47a1aca7b10079aa735 (diff) | |
download | bitcoin-fa8c497d846320d7c186025171bb9c89105896ae.tar.xz |
[doc] backwards-compatibility issues due to chainstate obfuscation
Diffstat (limited to 'doc/release-notes.md')
-rw-r--r-- | doc/release-notes.md | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md index 5454dfc5ef..c473ec0996 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -22,6 +22,8 @@ bitcoind/bitcoin-qt (on Linux). Downgrade warning ------------------ +### Downgrade to a version < 0.10.0 + Because release 0.10.0 and later makes use of headers-first synchronization and parallel block download (see further), the block files and databases are not backwards-compatible with pre-0.10 versions of Bitcoin Core or other software: @@ -40,8 +42,17 @@ bootstrap.dat) anew afterwards. It is possible that the data from a completely synchronised 0.10 node may be usable in older versions as-is, but this is not supported and may break as soon as the older version attempts to reindex. -This does not affect wallet forward or backward compatibility. There are no -known problems when downgrading from 0.12.x to a version >= 0.10.0. +This does not affect wallet forward or backward compatibility. + +### Downgrade to a version < 0.12.0 + +Because release 0.12.0 and later will obfuscate the chainstate on every +fresh sync or reindex, the chainstate is not backwards-compatible with +pre-0.12 versions of Bitcoin Core or other software. + +If you want to downgrade after you have done a reindex with 0.12.0 or later, +you will need to reindex when you first start Bitcoin Core version 0.11 or +earlier. Notable changes =============== |