Release Notes

M-Files Online 26.3 SR3 (26.3.15818.13)

Release for downloads & auto-updates 27th Mar 2026.

Defect: Classic Desktop crashing when previewing uploaded document ID: CE-3325 Symptom: The M‑Files Classic Desktop Client crashed after the March release when users created a new document and enabled document preview for an uploaded file. The crash occurred immediately when the preview pane attempted to load the file. Solution: Fixed.

M-Files Online 26.3 SR2 (26.3.15818.10)

Release to Cloud 21st Mar 2026.

Improvement: Enhanced performance in permission handling ID: CFO-382 Description: Permission calculations now execute more quickly and with increased stability.

Improvement: Reliability enhancements for permission handling ID: CFO-892 Description: Updated logic ensures permissions are consistently and correctly applied.

Defect: Electronic signature not working in M-Files Web after March'26 ID: CE-3310 Symptom: Electronic signature stops working in M-Files Web after March ’26 due to Web socket not connected correctly. Solution: Fixed.

M-Files Online 26.3 SR1 (26.3.15818.7)

Release for downloads & auto-updates 19th Mar 2026.

Improvement: Enhanced security for link handling ID: CE-3211 Description: Improved protection against unsafe or invalid links when opening M-Files Desktop from a link. Only valid and safe links are now accepted, making the experience more secure.