=== v8.9 ===
+ Added support for new 1.21.5 effects `firefly` and `tinted_leaves`
+ Added some new placeholders `%playerparticles_has_effect_<effect>%` and `%playerparticles_has_style_<style>%` for checking if a player has a specific effect/style equipped
+ Added a setting to delete invalid fixed effects, disabled by default (old behavior always deleted them)