pingo 1.20.7

1.20 — 20/03/2024

• improved grayscale+alpha lossless filtering
• changed behavior of -hq=1 on flat
• improved lossy on near-grayscale images
• fixed critical-typo when grayalpha in fast lossless
• fixed & improved fast lossless
• fixed compression regression from c6
• fixed crash

1.19 — 07/03/2024

• small improvements for palette sorting (PNG/WebP)
• fixed & improved near-lossless (-hq) (PNG/WebP)

1.18 — 27/02/2024

• improved heuristic in auto (PNG/JPEG)
• improved -grayline/scale
• fixed -hq behavior
• various code optimization

Изменения [13.01.2024]:

• Изменена формула для оттенков серого + фиксы

Changelog [13.01.2024]:

• changed grayscale formula + fixes