On 26/10/2017 08:26, Semyon Sadetsky wrote:
The existing applications will use the new functionality which behaves like the old ones. The appearance of the message itself will differ but after the fix it will look like the native message, even before the fix the appearance was different on different platforms.
I'm not sure that it will behave as before since that was a swing component which uses Swing L&F, so at least the appearance is changed by the fix > Yet another thing is localization.  Before the fix the message was shown in java locale which may differ from the native locale, now it is always follows the native locale and there is no way to change it from java.

The things above are purpose of the fix - to look identical to a native applications(appearance, location and behavior). The old implementation of this class via Swing was just a stub which was implemented to fill the gap in API between jdk6 and 7. Since this is awt component it should be implemented via the native API.

This may cause unexpected changes in the existing applications, so I suppose it is reasonable to introduce a compatibility property that allows switching to the previous behavior. At a minimum, this should be mentioned in compatibility section of the release notes.

I'll create a release notes subtask, do you have some other comments?


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Best regards, Sergey.

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