Versions 4.00 to 4.01 had a notorious memory leak: after 48 hours of uptime, CursorFX would consume 300+ MB of RAM, causing sluggishness. Version 403 patched the leak entirely. In stress tests, CursorFX 403 runs for 30+ days using less than 18 MB of RAM. For IT professionals and long-haul content creators, this stability is non-negotiable.
While "better" for modern OS support, some users have noted the following issues: stardock cursorfx 403 better