1. Add this to the config before your worlds:
Code (YAML):
#If set to "false", the player's fly will be reset at maximum height. If set to "true", the player's fly will not be reset.
max-height-no-reset-flying
: false
#If set to "false", the player's Elytra fly will be reset at maximum height. If set to "true", the player's Elytra fly will not be reset.
max-height-no-reset-gliding
: false
#If set to "false", the player's fly will be reset at maximum height. If set to "true", the player's fly will not be reset.
min-height-no-reset-flying
: false
#If set to "false", the player's Elytra fly will be reset at minimum height. If set to "true", the player's Elytra fly will not be reset.
min-height-no-reset-gliding
: false
2. A bug was also fixed when the player was in the world, and the world was not in the config, he gave an error to the console, now this should not be
3. Fixed a bug when the player was in the world, and the world was not in the config, the player could not fly, now it should work fine