[BUG] Smooth-Scroll Animation Optimizations; Low Tab-Switching Framerate

[Meteony]

Please confirm these before moving forward

• I have searched for my issue and have not found a work-in-progress/duplicate/resolved issue.
• I have tested that this issue has not been fixed in the latest (beta or stable) release.
• I have checked the FAQ section for solutions.
• This issue is about a bug (if it is not, please use the correct template).

UniGetUI Version

2026.2.5

Windows version, edition, and architecture

25h2

Describe your issue

UniGetUI_.2026-07-18_08.31.07.mp4

Switching tab seems bit stuttery.

On another note, the current smooth-scrolling implementation seems quite computationally intensive. On my hardware the framerate drops visibly if the scrolling is fast.

Avalonia:

UniGetUI_.2026-07-18_08.33.10.mp4

WinUI:

UniGetUI_.2026-07-18_08.34.46.mp4