The only difference I have had with previous versions of firmware (I have a v1.1 GS router) between US/UK is that you lose the high wireless channel Nos. It looks like a number of issues have been fixed in the US version. Linksys will eventually release a .9 for Europe/UK.
Code:
Linksys, A division of Cisco Systems, Inc.
Product: WRT54GS v.5
Classification: Firmware Release History
Firmware Date: 5/23/2006
Release Date: 5/30/2006
Last Firmware Version: 1.50.8
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Firmware 1.50.8
- Resolves issue with MAC cloning
- Resolves issue with L2TP connection
- Resolves issue with using DNS server behind the router
- Resolves issue with loading configuration through HTTPS
- Resolves issue with PPPoE CHAP authentication
- Resolves issue with using Ping Plotter
- Resolves issue with SSH disconnects
- Resolves issue with DHCP WAN connection not acquiring the correct IP
- Resolves issue with UPnP
- Adds support for WRT54GS v.6
- Resolves issue with Access Restriction
- Resolves issue with incorrect time display
- Resolves issue with using subnets other than 255.255.255.0
- Resolves security issue when using IRC
- Resolves issue with WAN address being pingable when port forwarding is enabled
- Resolves issue with using Kultalinkki banking software
- Resolves issue where web GUI becomes unreachable if remote management is enabled on port 80 or 443
- Resolves issue with slow internal loopback, i.e., accessing a local server through the WAN IP address
- Resolves issue with accessing online game servers
- Resolves issue with AOL 9.0 client