REAPER v6.29+dev0530

v6.29+dev0530 - May 30 2021

* Includes feature branch: render normalization
* Includes feature branch: MIDI editor note reordering
* Includes feature branch: EEL2 x86_64/SSE
* Includes feature branch: VST3 bridging
* Includes feature branch: media item lanes
+ JSFX: add help for sliderchange() function
+ JSFX: add slider_show() function, to hide or display sliders
+ macOS: improve appearance of fade menu items when using dark mode [t=254007]
# JSFX: add alert settings to loudness meter
# JSFX: add loudness range calculation to loudness meter
# JSFX: fix reversed LUFS-M current and maximum value display
# JSFX: support customizable colors in loudness meter