On Wed, 15 Apr 2026 10:21:53 GMT, Thiago Milczarek Sayao <[email protected]> wrote:
> `GetStringUTFChars` returns a modified UTF-8 string that encodes > supplementary characters differently from standard UTF-8, so emojis may not > be handled as expected by GTK or other Linux desktop components that expect > standard UTF-8. > > See: > https://www.oracle.com/technical-resources/articles/javase/supplementary.html > https://www.javathinking.com/blog/what-is-the-java-s-internal-represention-for-string-modified-utf-8-utf-16/ > > There are other places where `GetStringUTFChars` is used, such as in the file > open dialog, but it’s unclear whether this is affected in any real user > scenarios. > > Using the sample from the bug report with this fix: > <img width="778" height="574" alt="image" > src="https://github.com/user-attachments/assets/6a66a746-2239-465d-ad5f-688933deb537"; > /> > > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: 086496c2 Author: Thiago Milczarek Sayao <[email protected]> URL: https://git.openjdk.org/jfx/commit/086496c2ec1977e3426c1cbaa53fc76903938f31 Stats: 33 lines in 3 files changed: 31 ins; 0 del; 2 mod 8382165: Emojis used in Stage.setTitle are not rendered and break application switching on Linux platform Reviewed-by: lkostyra, kcr ------------- PR: https://git.openjdk.org/jfx/pull/2150
