My proposal is to change the guideline:
to
I'm not really sure how I should word this one... but I tried. Anyways, drumrolls are just as potent at hiding notes behind them as spinners, and recent maps have caused much frustration because of it.
Avoid visually obstructing notes on the playfield with active spinners. Spinners cover the majority of the screen, so ending them too close towards the upcoming notes can result in reading spikes. Usually having 1/2 distance between a spinner and the following note solves this.
to
Avoid visually obstructing notes on the playfield with active spinners and drumrolls. Spinners cover the majority of the screen, so ending them too close towards the upcoming notes can result in reading spikes. Usually having 1/2 distance between a spinner and the following note solves this. Using high slider velocities with drumrolls can hide upcoming notes at lower slider velocities behind them resulting in reading spikes.
I'm not really sure how I should word this one... but I tried. Anyways, drumrolls are just as potent at hiding notes behind them as spinners, and recent maps have caused much frustration because of it.