In previous versions of Photoshop, such as 25, and up to 26.7, on Windows you could use a path separator or no path separator with the File protocol and it would work fine: [image] Now in Photoshop 26.8 (UXP v8.3.0) Using a separator will throw a -4058 error in Windows paths: [image] Appears t…

:white_check_mark: The issue appears to be fixed in UXP 8.4.0 / Photoshop 26.9.0 [image] [image] API Changelog Contains a running log of changes to the UXP API environment in Adobe Photoshop

BUG: FS File Protocol -4058 path Error after Photoshop 26.8

Photoshop

justin2taylor July 14, 2025, 7:44pm 6

The issue appears to be fixed in UXP 8.4.0 / Photoshop 26.9.0

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"Route not found" error

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BUG: FS File Protocol -4058 path Error after Photoshop 26.8

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