Version 4.1.0 is available upstream. Please consider updating! It seems that version 4.1.0 is available upstream, while the latest version in the Gentoo tree is 4.0.0. This information is provided from Release-Monitoring, so fix association issues there.
Limited Error Raster Compression (LERC) supports rapid encoding and decoding
for any pixel type (not just RGB or Byte). Users set the maximum compression
error per pixel while encoding, so the precision of the original input image
is preserved (within user defined error bounds).