1. NO BUNDLED SOFTWARE OF ANY KIND! No spyware. No adware. Guaranteed.
2. Firewall to Firewall Transfers. Since about 60% of users are currently firewalled, this feature greatly increases the amount of content on the network.
3. Faster network connections. Using new "UDP Host Caches", LimeWire starts up and connects faster then ever before!
4. Universal Plug "N Play. UPnP support allows LimeWire to find more search results and have faster downloads.
5. iTunes Integration. Windows users can now take advantage of LimeWire"s iTunes integration.
6. Creative Commons Integration. LimeWire now recognizes OGGs and MP3s licensed under a Creative Commons License.
7. "What"s New?" feature. Users can browse the network for the most recent content additions.
8. Search drill down results. Searches in LimeWire now immediately display the artists, albums and other information that fully describes files.
9. Proxy support. Users can now use web proxies to route their downloads to protect their identity.
10. Support for International searches and International groups. Users can now search in any language, and LimeWire ensures that a user will be connected to other users with their own language to aide international users to receive search results in their native language and to find content from sources that are close to home.

LimeWire still has the following great features:
- Ease of use - just install, run, and search
- Ability to search by artist, title, genre, or other metainformation
- Elegant multiple search tabbed interface
- "Swarm" downloads from multiple hosts help you get files faster
- iTunes integration for Mac and Windows users
- Unique "ultrapeer" technology reduces bandwidth requirements for most users
- Integrated chat
- Directly connect to a computer
- Browse host feature--even works through firewalls
- Added Bitzi metadata lookup
- International versions: Now available in many new languages
- Connects to the network using GWebCache, a distributed connection system
- Automatic local network searches for lightning-fast downloads
- Support for MAGNET links that allow you to click on web page links that access Gnutella

Changes in version 4.12.3 (06.20.2006):
- Fixed upload bug that prevented more than 5 active uploads.

4.12.2 (06.20.2006)
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- Fixed bug that lost track of some connecting sockets, leaving connections
and downloads stuck in a connecting state forever.
- Added many translations.

4.12.1 (06.13.2006)
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- Fixed a bug that could cause a division by 0 when calculating the average
connection time.
- Added more debug information to bug reports.
- Ignore incomplete files that have incorrect filesizes.
- Better socket timeout handling.
- Added many translations.

4.12.0 (06.12.2006)
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- Fixed average uptime reported while crawling to include the current session.
- Ignore some errors related to reading from the network faster than LimeWire
can write to disk.
- Ignore some internal HttpClient errors related to malformed cookies.
- Ignore errors while parsing invalid FLAC metadata.
- Ignore errors caused by parsing ID3v2 data with malformed custom genres.
- Fix iniitialization to ensure the setting directory can be created before
attempting to create it and failing.
- Ignore errors caused by failing to retrieve native icons.
- Add more debug information to various errors.