UE5.5 texture encoding/sRGB issue

Development Rendering
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Steps to Reproduce

  • Open a ThirdPerson Project Template project in UE 5.5.4-40574608 and in version before UE 5.5 (e.g. UE 5.2.1-26001984).
  • Find texture T_Manny_02_CCRCCPlastic_MSK.
  • You can see a visible difference between the two textures (attached as an image in this post)
  • Run the game in both engines and check the mannequin closely. You can notice issues with mask properties such as Roughness and Metallic.