So guys finally I booted omni with pie vendor and it's stable now and I have also ported aosp caf (purest form of caf) so if anyone want to try than say which one I have to give because for omni I will need have to recreate post.zip and both are stable
public poll

Omni – 12
👍👍👍👍👍👍👍 57%
@Devank, Paul, @Sanjuu594330, Layyzee, @this_is_vishal, @Indocofee, @Sreehari_mkl, @khatri069, Amol々Deshmukh, @Superbara, @rozi_comlo, @abhishekpandey7148

Aosp caf – 8
👍👍👍👍👍 38%
@zein_su, @MAdMiZ, @Me_ajay, @Pulak730, @Sneheth, @Neeraj7050, @Iwantzz, @software_tech_boy

None of these – 1
👍 5%
@galihruci

👥 21 people voted so far.