https://github.com/heerheer/xp_from_rightclick_harvest/releases
With this mod, you can gain random experience (default 1-2) when you use right-click to harvest.
You can change the random min and max using config file.
Require Mod : RightClickHarvest
Version: 3.2.3+1.20.1-forge
in .minecraft/config/xp_from_rightclick_harvest-common.toml
#Minimum number of XP per right-click harvest
#Range: > 0
xp_min = 1
#Maximum number of XP per right-click harvest
#Range: > 0
xp_max = 2