Background graphics change colour when converting ODP to PPTX using Aspose.Slides for Java

Using aspose-slides-18.11-jdk16 to convert ODP to PPTX.
Converting slide with coloured lines on the background. These change colour.

Code below:
Presentation presentation = new Presentation(inputPath);
presentation.save(outputPath, SaveFormat.Pptx);

Before/after sample attached

colourChange.zip (31.4 KB)

@simon.wiseman,

I have worked with the presentation shared by you using Aspose.Slides for Java 18.12 and have been able to observe the issue. A ticket with ID SLIDESJAVA-37475 has been added in our issue tracking system to resolve the issue. This thread has been associated with the ticket so that we share notification with you once issue will be fixed.

The issues you have found earlier (filed as SLIDESJAVA-37475) have been fixed in this update.

That looks fine thanks.

@simon.wiseman,

Thank you for sharing the feedback with us.