Strange OxiPNG-PNGQuant results

Results.txt

# Explanation

PNGQuant:   `pngquant --quality 100-100 --speed 1 --strip`

OxiPNG:     `oxipng --opt max --strip all --alpha`

OxiPNG-ZF:  `oxipng --opt max --strip all --alpha --zopfli`

Oxi-Quant:  "PNGQuant" > "OxiPNG" (non-ZF)


# Results

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New dev build						|	Current v8.0.0 build
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Filename:		'tag-design.png'	  	|
Original Filesize:	185 bytes			|
PNGQuant Filesize:	130 bytes			|
OxiPNG Filesize:	119 bytes			|	OxiPNG Filesize:	132 bytes
OxiPNG-ZF Filesize:	117 bytes			|	OxiPNG-ZF Filesize:	128 bytes
Oxi-Quant Filesize:	119 bytes			|	Oxi-Quant Filesize:	130 bytes
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Filename:		'section-series.png'		|
Original Filesize:	197 bytes			|
PNGQuant Filesize:	160 bytes			|
OxiPNG Filesize:	163 bytes		  	|	OxiPNG Filesize:	161 bytes
OxiPNG-ZF Filesize:	157 bytes			|	OxiPNG-ZF Filesize:	160 bytes
Oxi-Quant Filesize:	160 bytes			|	Oxi-Quant Filesize:	160 bytes
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Filename:		'post-small_pixel_art.png'	|
Original Filesize:	402 bytes		      	|
PNGQuant Filesize:	333 bytes		      	|
OxiPNG Filesize:	312 bytes		      	|	OxiPNG Filesize:	325 bytes
OxiPNG-ZF Filesize:	313 bytes	      		|	OxiPNG-ZF Filesize:	321 bytes
Oxi-Quant Filesize:	324 bytes		      	|	Oxi-Quant Filesize:	324 bytes
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Filename:		'post-resource-general.png'	|
Original Filesize:	800 bytes		      	|
PNGQuant Filesize:	435 bytes		      	|
OxiPNG Filesize:	401 bytes			|	OxiPNG Filesize:	416 bytes
OxiPNG-ZF Filesize:	390 bytes		      	|	OxiPNG-ZF Filesize:	410 bytes
Oxi-Quant Filesize:	401 bytes		      	|	Oxi-Quant Filesize:	401 bytes
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Filename:		'Invert.png'		        |
Original Filesize:	1542935 bytes			|
PNGQuant Filesize:	1586364 bytes			|
OxiPNG Filesize:	1506472 bytes		  	|	OxiPNG Filesize:	1506742 bytes
OxiPNG-ZF Filesize:	1500263 bytes			|	OxiPNG-ZF Filesize:	1502437 bytes
Oxi-Quant Filesize:	1504355 bytes			|	Oxi-Quant Filesize:	1502382 bytes
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Filename:		'Hyper Cube Background II.png'	|
Original Filesize:	605777 bytes	      		|
PNGQuant Filesize:	617188 bytes	      		|
OxiPNG Filesize:	580548 bytes		        |	OxiPNG Filesize:	577274 bytes
OxiPNG-ZF Filesize:	573101 bytes	      		|	OxiPNG-ZF Filesize:	573101 bytes
Oxi-Quant Filesize:	580548 bytes	      		|	Oxi-Quant Filesize:	577729 bytes
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Filename:		'tag-css.png'		      	|
Original Filesize:	4780 bytes			|
PNGQuant Filesize:	2474 bytes			|
OxiPNG Filesize:	2261 bytes		  	|	OxiPNG Filesize:	2258 bytes
OxiPNG-ZF Filesize:	2261 bytes			|	OxiPNG-ZF Filesize:	2256 bytes
Oxi-Quant Filesize:	2261 bytes			|	Oxi-Quant Filesize:	2256 bytes
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Filename:		'tag-meta.png'		  	|
Original Filesize:	780 bytes			|
PNGQuant Filesize:	545 bytes			|
OxiPNG Filesize:	414 bytes		  	|	OxiPNG Filesize:	526 bytes
OxiPNG-ZF Filesize:	412 bytes			|	OxiPNG-ZF Filesize:	526 bytes
Oxi-Quant Filesize:	414 bytes			|	Oxi-Quant Filesize:	525 bytes
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