NetworkManager hacker Dan Williams has an overview of the new features in NetworkManager 0.9
on his blog. Among them: "When connected to a large unified WiFi network, like a workplace, university, or hotel, NetworkManager 0.9 enhances roaming behavior as you move between locations. By using the background scanning and nl80211 features in wpa_supplicant 0.7 and later, you'll notice fewer drops in connectivity and better signal quality in large networks. Most kernel drivers will now provide automatic updates of new access points and enhanced connection quality reporting, allowing wpa_supplicant to quickly roam to the best access point when the current access point's quality degrades and not before.
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