I use local:
aspose-slides-20.12-jdk16 or aspose-slides-20.11-jdk16
java version “1.8.0_102”
Java™ SE Runtime Environment (build 1.8.0_102-b14)
Java HotSpot™ 64-Bit Server VM (build 25.102-b14, mixed mode)
test presentation: test.pptx.zip (21.7 KB)
result after convert this file to images: Screenshot 2021-01-13 at 13.02.22.jpg (94.2 KB)
Screenshot 2021-01-13 at 13.02.37.jpg (138.6 KB)
both slides are in the same presentation, but the first slide is replaced with a different font and the second is displayed correctly
the only difference is only the parameter sz=“6000” and sz=“4000” in this slides