Further investigation and comment
Since recently installing Qgis 3.4.15 or 3.4.14 on some of my computers
running Debian 10, I immediately began to see a trend of the software
exhibiting an increased tendency to crash when working with certain WMTS
layers that I had previously worked with
Good day to all.
Not so long ago I wrote a post about issues handling large numbers of
raster files. This results from what appears to be an architectural
design limitation of Qgis in that it only has enough resources available
for a certain (unknown) number of raster layers and does not have