Ported the mod to NeoForge 1.21.1

Added:

• Indicator Lights and Activated Indicator Lights. Shows if the mechanism is active

Changed:

• Black Hole Gel now teleports 3 blocks underground in place of random from 2 to 10 blocks

Ported the mod to NeoForge 1.20.4

Added:

• Indicator Lights and Activated Indicator Lights. Shows if the mechanism is active

Changed:

• Black Hole Gel now teleports 3 blocks underground in place of random from 2 to 10 blocks

Added:

• Indicator Lights and Activated Indicator Lights. Shows if the mechanism is active

Changed:

• Black Hole Gel now teleports 3 blocks underground in place of random from 2 to 10 blocks

Main features: New types of Gels; improvements to Gel Tubes; improvements for old Gels

Added: 

• Advanced Knee Replacements and Long Fall Boots. New boots that removes fall damage
• Reflection Gel. New gel type that was removed from original Portal 2 and was reflection the laser but in the mod it reflects the projeclites
• Igniting Gel. New gel type that ignites mobs
• Portalizing Gel. New gel type that teleports mobs in random place in 10 blocks radius
• Slowing Gel. New gel type that slows the mobs down
• Super Slowing Gel. Slows the mobs even more
• Black Hole Gel. New gel type that teleports the mobs under blocks
• Advancements for using all the new gels and also Everjump, Super Repulsion and Skyjump Gels
• Root advancement for Portal Gels mod is now divided from advancement for Convertion Gel

Changed: 

• All the Gel Tubes can be rotated and throw Gel Drops in any direction
• Everjump, Super Repulsion and Skyjump Gels can now be crafted
• Names of advancements for using Repulsion, Propulsion and Conversion Gels was renamed as they was in Portal 2
• Increased speed on the Adhesion Gel
• Adhesion Gel can now be used to climb like on ladder
• Changed Propulsion Gel speed and slippery
• Gels descriptions are translated on Russian

Fixed:

• Repulsion, Everjump, Super Repulsion and Skyjump Gels are now works on all the entities not only on the player

Added: 

• Adhesion Gel and Adhesion Gel Block. Slows the player down. This Gel was cutted from original Portal 2 game but was in game files. 
• Gel Tubes and Old Gel Tubes. Spawn Gel Drops when activates by redstone signal.
• Gel Drops. Places Gel when falls on block. Replaces other Gels. Color player's vision when player collides with them. 

Changed:

• Propulsion Gel step sound uses running sounds from Portal 2.

Changes from 1.1:

• Adhesion Gel and Adhesion Gel Block uses Slime Block sound.