Please apply the following tags:

Ruby

• #minecraft:beacon_payment_items (diamond and emerald have the tag so rubies probably should too)
• #minecraft:trim_materials (would also require making this a proper trim material, but it'd be really cool)

Nether Ruby Ore

• #c:ores_in_ground/netherrack (block and item tag)

Rubinated Blackstone

• #c:ores_in_ground/blackstone (block and item tag)

Bleeding Obsidian

• #minecraft:dragon_immune (block)

Ruby Glass (all 3 types)

• #c:glass_blocks
• #c:glass_blocks/ruby

Ruby Glass Panes

• #c:glass_panes
• #c:glass_panes/ruby

Rubinated Music Disc

• #c:music_discs