[Q] Samsung Galaxy S4 SGH-I337 OK2 locked bootloader options?

The S4 is still a decent phone in 2016 with it's amoled display, pretty good battery life, and decent performance. But it's a shame that AT&T/Samsung offer nothing for unlocking the bootloader. The last time that I searched, the only option for an SGH-I337 OK2 build was to install Safestrap and a Touchwiz rom. Has anything changed? I tend to use apps from FDroid, and I would really like to run a debloated rom such as Cyanogenmod on this thing (no Samsung/Touchwiz, AT&T, Google). What are the best options today?

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