https://discussions.unity.com/t/unity-5-2-overriding-my-texture-format-settings/605148
Unity 5.2 Overriding my texture format settings. - Unity Engine - Unity Discussions
Nov 12, 2015 - In Unity 5.2, with the platform set to iOS, in import settings under the Default tab, if I set a texture to import as RGBA Compressed ETC2 8 bits, in the...
texture formatunityoverridingsettingsengine
https://issuetracker.unity3d.com/issues/created-sprite-pack-is-not-the-default-format-of-any-texture-compression-type
Unity Issue Tracker - Created sprite pack is not the default format of any texture compression type
When sprites are packed via 'sprite packer' packed file is returned as RGBA 16bit format instead of default one. There is a workarou...
https://www.khronos.org/ktx/
KTX - GPU Texture Container Format
KTX (Khronos Texture) is an efficient, lightweight container format for reliably distributing GPU textures to diverse platforms and applications. The contents...
ktxgputexturecontainerformat