ikhcoin-Qt version 0.5.3 is now available for download at: http://sourceforge.net/projects/ikhcoin/files/ikhcoin/ikhcoin-0.5.3/
This is a bugfix-only release based on 0.5.1. It also includes a few protocol updates.
Please report bugs using the issue tracker at GitHub: https://github.com/ikhcoin/ikhcoin/issues
PROTOCOL UPDATES
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BIP 30: Introduce a new network rule: “a block is not valid if it contains a transaction whose hash already exists in the block chain, unless all that transaction’s outputs were already spent before said block” beginning on March 15, 2012, 00:00 UTC.
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On testnet, allow mining of min-difficulty blocks if 20 minutes have gone by without mining a regular-difficulty block. This is to make testing ikhcoin easier, and will not affect normal mode.
BUG FIXES
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Limit the number of orphan transactions stored in memory, to prevent a potential denial-of-service attack by flooding orphan transactions. Also never store invalid transactions at all.
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Fix possible buffer overflow on systems with very long application data paths. This is not exploitable.
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Resolved multiple bugs preventing long-term unlocking of encrypted wallets (issue #922).
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Only send local IP in “version” messages if it is globally routable (ie, not private), and try to get such an IP from UPnP if applicable.
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Reannounce UPnP port forwards every 20 minutes, to workaround routers expiring old entries, and allow the -upnp option to override any stored setting.
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Skip splash screen when -min is used, and fix Minimize to Tray function.
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Do not blank “label” in ikhcoin-Qt “Send” tab, if the user has already entered something.
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Correct various labels and messages.
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Various memory leaks and potential null pointer deferences have been fixed.
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Handle invalid ikhcoin URIs using “ikhcoin://” instead of “ikhcoin:”.
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Several shutdown issues have been fixed.
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Revert to “global progress indication”, as starting from zero every time was considered too confusing for many users.
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Check that keys stored in the wallet are valid at startup, and if not, report corruption.
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Enable accessible widgets on Windows, so that people with screen readers such as NVDA can make sense of it.
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Various build fixes.
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If no password is specified to ikhcoind, recommend a secure password.
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Automatically focus and scroll to new “Send coins” entries in ikhcoin-Qt.
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Show a message box for –help on Windows, for ikhcoin-Qt.
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Add missing “About Qt” menu option to show built-in Qt About dialog.
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Don’t show “-daemon” as an option for ikhcoin-Qt, since it isn’t available.
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Update hard-coded fallback seed nodes, choosing recent ones with long uptime and versions at least 0.4.0.
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Add checkpoint at block 168,000.
