K-Meleon is an extremely fast, customizable, lightweight web browser for the win32 (Windows) platform based on the Gecko layout engine (the rendering engine of Mozilla). K-Meleon 1.1 Release Notes New Mozilla 18.104.22.168 backend. Default accels/menus/macros upgradable. Modular macros, easy to install. Full localization support. Session Saver plugin (not with layers). Possibility to open a new instance. See the changelog for details. Improved Customization of search engines/mouse gestures/proxies. Overall improvements for macros and menus. Dialog UI. Cookie permissions and password support. See the changelog for details.