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@ccmawo ccmawo released this 17 Nov 12:48
· 20 commits to master since this release
hz-v5.2
ba81844

This release is a mandatory upgrade! It introduces a lot of new features, and makes a hard fork necessary at the block height of 515000.

This release requires Java 8 and will not compile nor run with Java 7.

The database upgrade from v4.0e may take up to 3 hours.
Upgrades from HZ v3.8.x and HZ v3.9.x are also supported, but the database will be emptied.

The fastest way (about 5 minutes - depending on download bandwidth) to upgrade to
Horizon version v5.2 is to download the database files, instead of upgrading or starting from scratch with an empty database.
Database files can be found here:
http://hz-services.com/downloads/nhz_dbs/

Horizon code changes:
Horizon UPnP replaced with new Nxt UPnP code
WebSockets are disabled by default
GUI login with account alias
GUI can optional encrypt and store secret in web browser
After hard fork guaranteed balance confirmations need 1440 blocks instead of 40 blocks
Support for hzannounce.com added
Checkpoints updated
Horizon merged with Nxt client version 1.5.15

New features from Nxt introduced with this release are:
Prunable messages/file upload up to 42KB, by default deleted after 2 weeks
Voting System (polls)
Phasing transactions (multi signature transactions)
Plugin support
Parallel blockchain download after hard fork

The following features will be available after block 515000:
Digital Good Store, Monetary System (Currencies), Dividend Payments,
Alias Deletion, Prunable Messages, Voting System, Phasing

License:
Nxt 1.5.x is now distributed under the GNU General Public License version 2 except the GUI source code, which still remains under the MIT license.
Affected horizon source code is now also distributed under the GNU General Public License version 2. GUI code is not affected.

Please look at the Nxt client changelog files for more details. The changelog files are
included in the release in the subdirectory changelogs/
nxt-client-1.5.1e.changelog.txt
nxt-client-1.5.2e.changelog.txt
nxt-client-1.5.3e.changelog.txt
nxt-client-1.5.4e.changelog.txt
nxt-client-1.5.5e.changelog.txt
nxt-client-1.5.6e.changelog.txt
nxt-client-1.5.7e.changelog.txt
nxt-client-1.5.8e.changelog.txt
nxt-client-1.5.9.changelog.txt
nxt-client-1.5.10.changelog.txt
nxt-client-1.5.11.changelog.txt
nxt-client-1.5.12.changelog.txt
nxt-client-1.5.13.changelog.txt
nxt-client-1.5.14.changelog.txt
nxt-client-1.5.15.changelog.txt

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