[Qgis-user] [2.18] Does version 2.18 render 1-bit tif raster images slower than 2.16?

[sandthorn]

My project contains a hundred grids of 1-bit tif raster with "nodata"
transparency.
I notice that both 2.17 weekly and 2.18.0 render raster grids slower than
2.16.3.
So I move back to 2.16.3 only for the quicker renderer.

Are there changes in the renderer that would cause this?
If yes, can I configure it to the old one?

Thanks,
sandthorn.



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