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The nexus 4 should get whatever K dessert(probably Key Lime Pie) that Google decides on. Though it's assumed to be 5.0, it could very well be 4.3. We won't know until Google I/O in May.

Idk, it is said Google is going to focus on Google TV this year. Think there might still be room for an announcement that big?
Whether it happens to be v 4.x or 5.x remains to be seen, as well as whether it'll be big enough changes to get a new codename
I already feel cheated with 4.2 still being Jelly Bean. They better not release Android 4.3 JB and make us wait another 6 months for KLP.
I already feel cheated with 4.2 still being Jelly Bean. They better not release Android 4.3 JB and make us wait another 6 months for KLP.
No way! 4.2 is a great upgrade. Butter! Google Now...
To be fair Project Butter and Google Now were introduced with Jelly Bean 4.1. Jelly Bean 4.2 brought quick settings, lockscreen widgets, and a couple other minor tweaks. Nothing really to write home about. I was running Jelly Bean ROMs on my EVO 3D before I ever even moved to the Nexus 4. I just want to get the experience of truly being on the cutting edge, the latest and greatest, etc.. Key Lime Pie is that jump in my mind.