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</style></head><body><div>I have an NVIDIA card, and it's running on X11 (no Wayland).</div><div><br></div><div>Besides the libwebkit2gtk change from 2.48.1-3 to 2.48.3-1, the upgrade included the NVIDIA driver going from 535.247.01-1 to 550.163.01-1.</div><div><br></div><div>Running with the suggested environment variables to disable DMABUF suppresses the error from nv_gbm.c but makes no difference when it comes to the background in the messages:</div><div><br></div><div style="margin-left: 3ch;"><font face="monospace">$ WEBKIT_DISABLE_DMABUF_RENDERER=1 evolution</font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><font face="monospace">(org.gnome.Evolution:720943): camel-WARNING **: 08:06:28.309: Could not open converter for 'iso-646-us' to 'UTF-8' charset</font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><font face="monospace">(org.gnome.Evolution:720943): camel-WARNING **: 08:06:33.650: Could not open converter for 'UNKNOWN' to 'UTF-8' charset</font></div><div style="margin-left: 3ch;"><br></div><div><br></div><div>Trying to force DMABUF still throws one error instead of two, but again there's no difference when it comes to the mesagges background:</div><div><br></div><div style="margin-left: 3ch;"><font face="monospace">$ WEBKIT_FORCE_DMABUF_RENDERER=1 evolution</font></div><div style="margin-left: 3ch;"><font face="monospace">src/nv_gbm.c:288: GBM-DRV error (nv_gbm_create_device_native): nv_common_gbm_create_device failed (ret=-1)</font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><font face="monospace">(org.gnome.Evolution:721228): camel-WARNING **: 08:10:27.268: Could not open converter for 'iso-646-us' to 'UTF-8' charset</font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><font face="monospace">(org.gnome.Evolution:721228): camel-WARNING **: 08:10:32.521: Could not open converter for 'UNKNOWN' to 'UTF-8' charset</font></div><div style="margin-left: 3ch;"><font face="monospace"><br></font></div><div style="margin-left: 3ch;"><br></div><div>This is the system report given by GNOME Settings:</div><div><br></div><div># System Details Report</div><div>---</div><div><br></div><div>## Report details</div><div>- **Date generated:** 2025-06-18 08:21:29</div><div><br></div><div>## Hardware Information:</div><div>- **Hardware Model:** Lenovo ThinkPad P15 Gen 1</div><div>- **Memory:** 32.0 GiB</div><div>- **Processor:** Intel® Core™ i9-10885H × 16</div><div>- **Graphics:** Quadro T2000</div><div>- **Graphics 1:** Quadro T2000</div><div>- **Disk Capacity:** 3.0 TB</div><div><br></div><div>## Software Information:</div><div>- **Firmware Version:** N30ET57W (1.40 )</div><div>- **OS Name:** Debian GNU/Linux 13 (trixie)</div><div>- **OS Build:** (null)</div><div>- **OS Type:** 64-bit</div><div>- **GNOME Version:** 48</div><div>- **Windowing System:** X11</div><div>- **Kernel Version:** Linux 6.12.30-amd64</div><div><br></div><div><span></span></div><div><br></div><div>On Wed, 2025-06-18 at 12:37 +0200, Alberto Garcia wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>On Tue, Jun 17, 2025 at 10:52:59PM -0500, John M. wrote:<br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>After an apt upgrade over the weekend (and system reboot), evolution<br></div><div>emails are displayed with a white background, even with dark<br></div><div>mode/theme enabled. That's an accessibility-related issue for me.<br></div></blockquote><div><br></div><div>Hi, do you have an NVIDIA graphics card?<br></div><div><br></div><div>Can you try running evolution with this environment variable?<br></div><div><br></div><div> WEBKIT_DISABLE_DMABUF_RENDERER=1<br></div><div><br></div><div>And what happens if you use this one instead?<br></div><div><br></div><div> WEBKIT_FORCE_DMABUF_RENDERER=1<br></div><div><br></div><div>Thanks,<br></div><div><br></div><div>Berto<br></div></blockquote></body></html>