Valve has reached an agreement with Microsoft to waive the fee required for paid mods of its games that need a Havok engine license.
This comes from TF2 Cut Content Wiki on Twitter, who had reached out to Valve regarding the price and payment for a Source developer repository license.
The entire exchange between them and Valve was posted on November 13, and Valve’s response reads:“We reached an agreement with Microsoft to have Havok fees waived for future mods of Valve games,” said Steam support. “With that being said, we see the main purpose of mods to act as non commercial fan projects.
As paid mods set a certain amount of quality expectations on the part of the community and the TF2 [Team Fortress 2] team does not have the bandwidth to.
Read more on nme.com