Positive Spin
✓ Limited customization keeps GanttPRO focused, offering essential, easy-to-use customization options without overwhelming complexity.
Reasoning
Across sources, the strongest explicit assessment of customization extent is 'limited' (The Digital Project Manager). Other sources mention custom fields or extensibility but do not consistently indicate broad customization. Treating each domain as a single opinion, the prevailing consensus describes a limited level of customization.