Curtis Rueden

Ensure critical features work on all platforms with Java 21

3

* [x] Bio-Formats Importer * [x] TrackMate * [x] 3D Viewer * [x] ImageJ ⇆ ImageJ2 data conversions – basic tests like using both in the same script * [x]...

When attempting to compile icat on macOS, I noticed that pkg-config isn't available out of the box. But it can be installed easily via Homebrew with `brew install pkgconf`.

The sciview installation docs are out of date: there is only one update site now, and soon to be zero. Pages to update include: * installation/installing-the-development-sciview-plugin-for-fiji.md * installation/installing-the-sciview-plugin-for-fiji.md

* [x] scyjava now supports downloading openjdk on demand via cjdk. PyImageJ could do `set_java_constraints(version='21')` as a default behavior. * [ ] Then we could remove the `openjdk` conda package...

And follow up on https://github.com/napari/npe2/issues/163.

JPype 1.5.2 does not work on some Windows systems

1

We have at least one report of JPype 1.5.2 not working on a Windows 10 system—just crashing out when attempting to initialize the JVM. The forum topic discussing it is...

How stable should Fiji-Stable be? And how "latest" for Fiji-Latest?

6

As of this writing (2025-09-25), we have two tracks for core Fiji content: * Fiji-Stable: The Java-8 version of Fiji, tracking the legacy update site trio of update.imagej.net + update.fiji.sc...

StarDist is broken with Fiji-Latest

4

The StarDist plugin is currently broken in Fiji, due to an upgrade of the protobuf library to an incompatible version. The relevant issue is stardist/stardist-imagej#25. Unfortunately, with the recent split...

With multiple monitors, some Fiji windows open on the wrong monitor

1

From [this Image.sc Forum topic](https://forum.image.sc/t/115618): > I want both image and non-image windows (e.g., ROI Manager, Results Table) to open on my second monitor by default. If Fiji is launched...