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So...I came up with this by accident. Let me know If this has been proposed earlier.
The basic idea is that you solve F2L however you would until the last slot, and when you arrive at it, you look at how the yellow edges are oriented, regardless of the F2L case and you use the three EO algs from 2 look OLL i.e. F R U R' U' F' if there is a line, F U R U' R' F' if there is an L, and the dot case which requires you to do the first alg, U2 and the second alg to orient the U layer edges and the next step is solve the last slot as usual and proceed with ZBLL, COLL/EPLL or OCLL/PLL.

WEIRD CASES

LS edge flipped : there may be one yellow edge sticker on the top and the edge in the slot will be twisted. for this, check for an edge having green or blue on top and its position relative to the yellow sticker and perform the corresponding algorithm.

U layer edges oriented, LS edge flipped : do a y/y' and continue as usual.


PROS:
Saves you from learning 306 algs for ZBLS
Turns bad cases such as wrongly connected pairs into 6 movers or sometimes 3 movers

CONS:
Not so easy recognition
Lookahead problems
Turns good cases into bad cases

I'd recommend this only for bad F2L cases
 
So...I came up with this by accident. Let me know If this has been proposed earlier.
The basic idea is that you solve F2L however you would until the last slot, and when you arrive at it, you look at how the yellow edges are oriented, regardless of the F2L case and you use the three EO algs from 2 look OLL i.e. F R U R' U' F' if there is a line, F U R U' R' F' if there is an L, and the dot case which requires you to do the first alg, U2 and the second alg to orient the U layer edges and the next step is solve the last slot as usual and proceed with ZBLL, COLL/EPLL or OCLL/PLL.

WEIRD CASES

LS edge flipped : there may be one yellow edge sticker on the top and the edge in the slot will be twisted. for this, check for an edge having green or blue on top and its position relative to the yellow sticker and perform the corresponding algorithm.

U layer edges oriented, LS edge flipped : do a y/y' and continue as usual.


PROS:
Saves you from learning 306 algs for ZBLS
Turns bad cases such as wrongly connected pairs into 6 movers or sometimes 3 movers

CONS:
Not so easy recognition
Lookahead problems
Turns good cases into bad cases

I'd recommend this only for bad F2L cases
this is similar to VHLS right?
I mean like in VHLS you solve all edge-corner pairs except the last one, and when you pair up the last one you also orient all edges while slotting it in?
 
Turns bad cases such as wrongly connected pairs into 6 movers or sometimes 3 movers
[…]
I'd recommend this only for bad F2L cases
That about sums it up. This is really bad for most F2L cases; most of the time you can either just do LS normally, do VHLS, or do Petrus-like EO (F' U F and similar) and these will all be better.
 
So...I came up with this by accident. Let me know If this has been proposed earlier.
The basic idea is that you solve F2L however you would until the last slot, and when you arrive at it, you look at how the yellow edges are oriented, regardless of the F2L case and you use the three EO algs from 2 look OLL i.e. F R U R' U' F' if there is a line, F U R U' R' F' if there is an L, and the dot case which requires you to do the first alg, U2 and the second alg to orient the U layer edges and the next step is solve the last slot as usual and proceed with ZBLL, COLL/EPLL or OCLL/PLL.

WEIRD CASES

LS edge flipped : there may be one yellow edge sticker on the top and the edge in the slot will be twisted. for this, check for an edge having green or blue on top and its position relative to the yellow sticker and perform the corresponding algorithm.

U layer edges oriented, LS edge flipped : do a y/y' and continue as usual.


PROS:
Saves you from learning 306 algs for ZBLS
Turns bad cases such as wrongly connected pairs into 6 movers or sometimes 3 movers

CONS:
Not so easy recognition
Lookahead problems
Turns good cases into bad cases

I'd recommend this only for bad F2L cases
I do this already because I hybrid petrus and freefop+eo and I do that intuitively
 
this is similar to VHLS right?
I mean like in VHLS you solve all edge-corner pairs except the last one, and when you pair up the last one you also orient all edges while slotting it in?
No it isn't similar. In VHLS, you connect the pair, and then you use an algorithm to solve EO and LS. Here you solve EO before LS
That about sums it up. This is really bad for most F2L cases; most of the time you can either just do LS normally, do VHLS, or do Petrus-like EO (F' U F and similar) and these will all be better.
Sorry I forgot something.
By good cases I meant R U R' and R U' R' insert cases. For all the other cases, after EO the cases are 2 gen 7 movers.
You can do this for cases where the pieces are unconnected and also for flipped edges where corner is on U. This saves atleast 6 moves(if you use OCLL/PLL)
 
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