2022-01-03

• update because of regulation changes, valid from 2022-01-01

2021-07-02

• update because of regulation changes, valid from 2021-07-01

2020-11-30

• small changes in the layout
  
• Mistakes in the German version corrected
  
  
• the following videos were edited:
• 4024c_gut_quer, 4029f_gut_quer, 4048b_gut_quer, 4293a_gut_quer
• 1118b renamed to 1118c
• 4029e renamed to 4029d
• 4089d, 4001a, 4001b, 4031a, 4074b, 4136e, 4197a, 4214a, 4214k, 4259c, 4259e, 4267a, 4268d, 4273c, 4283b, 4290a, 4293a, 4294b, 4298b, 4307b, 4317b, 4317c, 4331b, 4342c, 4342d
  
  
• new videos:
• videos for the specific rules
  8.2.053, 8.2.054, 8.2.055, 8.2.056
  
  
• removed videos:
• 4010a, 4010c, 4029f, 4154f, 4138b, 4233b, 4268e, 4317f, 4328e, 4327c, 4342b, 4124d, 4164e

2020-10-30

• Spanish translation added