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New info from the DevExpress support team - more clues to follow up...
First, I would like to note that the increase in memory usage when fonts are loaded happens because all existing font files are memory mapped and kept in memory while the corresponding process exists. This behavior is reproducible with the .NET FontFamily class without using our components. Once the FontFamily.Families property is accessed, the font files are mapped to memory. Even if the FontFamily.Families collection is disposed of, the memory-mapped files stay in memory. The operation system manages the removal of these files. So, if you delete items from the RepositoryItemFontEdit.Items collection, the free memory is not increased.
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