Not a whole lot... but a whole lot. What has mainly changed is how attacks and skills effect the Paraglider stamina system. They have been carefully configured to drain a balanced amount, but can be further configured in the serverconfig folder (how to get to that can be found here). Pretty much every skill I list below should contain a multiplier or some form of attribute that will allow you to edit how stamina is drained for that particular skills or weapon attack.

Attacks

Attacks now consume stamina based on the weapon's damage and the weapon type multiplier attribute.

Skills

Dodge Skills

Roll

Rolling now consumes stamina based on the player's current weight (defined by armor weight), the roll_stamina_cost config, and the dodge_stamina_multiplier config.

Stamina Consumed = (roll_stamina_cost * <player_weight>) * dodge_stamina_multiplier

Step

Stepping now consumes stamina based on the player's current weight (defined by armor weight), the step_stamina_cost config, and the dodge_stamina_multiplier config.

Stamina Consumed = (step_stamina_cost* <player_weight>) * dodge_stamina_multiplier

Guard Skills

Guard

Impact Guard

Parrying