The newest Snapshot build of CyanogenMod 11 is starting to roll out to devices right now. If you're wondering what's in this update, you're going to need to wait on that.
There's no changelog as of yet, but we'll update as soon as there's something official.
Update: Here's the official changelog:
M11 Changelog:* New Devices: Galaxy S4 Active (jactivelte), Galaxy S4 SK I-9506 (ks01lte), Galaxy S5 GSM (klte), Galaxy Tab 10.1 (picassowifi), Galaxy Player 4.0 (ypg1) * Re-introduce Samsung Galaxy Relay 4G (apexqtmo) support * Fix signal strength showing ’2147483647′ on certain devices * Frameworks & Core Apps: CAF and other upstream updates * Lockscreen: Do not play sounds while a phone call is active & MSIM updates * Frameworks: Add base & MSIM APIs for SEEK (Secure Element Evaluation Kit) support * Frameworks: Fix volume button changing two ‘steps’ per click * Frameworks: Add ‘Screen Off’ action for double-tap/long-press configuration options * Show devices connected to your WiFi (tethering) Hotspot * Fix bug related to ‘switch to last app’ action while in Recents view * Fix Navigation Bar arrow keys in RTL locales * Translations updates from CyanogenMod CrowdIn team * Adjustments to ‘Glove Mode’ (High Touch Sensitivity) * APN Updates for various regions * Camera: Add support for all available Slow Shutter speeds (hardware dependent); Improve shutter button * Dialer/InCallUI: Fix smartcover always showing answer fragment * LG G2: Address GPS and NFC issues * Base support for HTC Desire 816 & HTC One Mini 2 (pending nightlies) * Various security updates * General bug fixes