Add experimental survival mode option, to enable by default change creative_mode to false (satoshinm/NetCraft#178). The web client can switch modes with /creative or /survival commands. The default is creative mode, similar to previous versions in that inventory is infinite, except there is faster block breaking.
Add server IP banning support, check_ip_bans option (GH-89)
Add experimental survival inventory initial implementation (satoshinm/NetCraft#18), note this is currently purely client-side only, but if you want to try it enable with /survival or by setting creative_mode: false in config.yml
Add bedrock at y=0, remove special-case of not building/breaking at the bottom layer, and prevent breaking unbreakable blocks even when in creative mode (satoshinm/NetCraft#172)
Fix shift key sticking when taking screenshots preventing flying (satoshinm/NetCraft#68)