Hi Alexander,
I moved to new version 26.5 and here my results:
Test data(input/output/QGIS)
Error:
shapefile16.7z (55.4 KB)
[ShapefileTest] Testing Shapefile → MapInfoTab
Args: input=‘D:\GisConverter\Tests\Shapefile…...example M/Z values, unsupported encodings, or missing ancillary files)...) are present. The source encoding is set explicitly (UTF‑8 works...