DC++ 0.861

The first new DC++ release in more than a year, version 0.861, brings plenty of enhancements and security updates. The following are the list of key fixes and improvements over version 0.851:

  • Just like as in the previous major release, version 0.850, there are new functions that has been requested by the users through the bug tracker. Such features are an option for autostart DC++ when Windows starts, quick-check hubs with encrypted connections in Search frame, search capability in the Notepad window, hub connectivity status icon in the public hub list and a text encoding setting for favorite NMDC hubs.
  • We’ve improved Windows 10 compatibility by fixing a visual bug in the chat and updating the UPnP mapper. The latter may fix reported issues with automatic connectivity setup under Windows 10.
  • Added an icon toolbar to the Download queue to make the control of the downloads and priorities easier.
  • Fixed security issues related to OpenSSL and also problems with keyprint validation and secure transfers.
  • As like any program that displays clickable links from outside sources should do, now DC++ also introduces a whitelist of URIs that it allows to be directly opened without an user prompt. It means that a confirmation dialog will appear before the actual opening of any type of links that’s not whitelisted. This prevents accidental launching of any 3rd party software that is registered to certain URIs in the system and might be used to exploit existing vulnerabilities or execute arbitrary code. The URI whitelist is freely configurable in the settings dialog. We’d like to thank Kacper Rybczynski for pointing out this issue and for working with us to help protect DC++ users.
  • There’s a new structure for manual connectivity settings and lots of new options available to fine tune IPv6 connectivity. The automatic connectivity setup now enables IPv6 connectivity if the bound network interface is assigned with a public v6 IP address. Note that all parts of the IPv6 connectivity is in an early beta stage and prone to failures and that v6 connections are only supported to ADC hubs and between ADC hub users.
  • With version 0.860, DC++ has ended Windows XP support and requires Windows Vista as a minimum Windows version to run. This has enabled a lot of cleaning in the code which also results performance improvements.
  • Version 0.861 introduces more significant performance improvements by being compiled with the latest MinGW technology as well as by requiring SSE2 CPU support. The latter brings extra preformance boost to 32-bit builds of DC++ in several areas, notably in the speed of hashing, download queue matching and respond to searches. This also means that DC++ requires Intel Pentium 4 / AMD Athlon64 or newer processors from now.

The list of complete changes with links to the discussions in the bug tracker are available here. Due to the nature of fixes an immediate upgrade from earlier versions of DC++ is highly recommended.

About emtee
I started to use DC using DC++ in 2003 when its version number was around 0.261. Since then I've been amazed by the DC network: a professional but still easy-to-use way of P2P file sharing. I was invited to the DC++ development team in 2006 where - in the beginning - I had been doing user support and testing only. A few years later I started to add small contributions to the DC++ code as well so these days I do mostly bug fixes, testing and improvements as well as I take part of the improvement of the documentation for both DC++ and ADCH++. I translated the whole DC++ help file to my native language (Hungarian) and currently maintaining the whole HU locale stuff for DC++. My ultimate goal is to help making the DC network as more user friendly as possible.

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