Have you tried using an emulator to run XP on W10?
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In theory, you could upgrade JMRI/Java step by step until you reach a version that would have panels compatible with the latest.??
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Another possibility, is if you get that to work, you might have to make W7 an interim step to the upgrades.
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Then try copying the panel files over.
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Perhaps the Devs could give the insight needed to see if this would work.
