Comment 20 for bug 1966418

> You need `xdg-desktop-portal` 1.12.2 or 1.14.0 to fix that.

I'm using xdg-desktop-portal 1.14.1

> Try loading webkit://gpu and paste the output here

This causes epiphany to segfault, no matter if the environment variable is set. Here's the backtrace of this crash:

#0 0x00007f9f4c1b534e _ZN6WebKit21WebKitProtocolHandler9handleGPUEP23_WebKitURISchemeRequest (libwebkit2gtk-4.0.so.37 + 0xba634e)
#1 0x00007f9f4c1b57ab _ZN6WebKit21WebKitProtocolHandler13handleRequestEP23_WebKitURISchemeRequest (libwebkit2gtk-4.0.so.37 + 0xba67ab)
#2 0x00007f9f4c1cf69e _ZN22WebKitURISchemeHandler17platformStartTaskERN6WebKit12WebPageProxyERNS0_16WebURLSchemeTaskE (libwebkit2gtk-4.0.so.37 + 0xbc069e)
#3 0x00007f9f4c119a50 _ZN6WebKit12WebPageProxy24startURLSchemeTaskSharedEON3WTF3RefINS_15WebProcessProxyENS1_12RawPtrTraitsIS3_EEEENS1_16ObjectIdentifierIN7WebCore18PageIdentifierT>
#4 0x00007f9f4c119b3a _ZN6WebKit12WebPageProxy18startURLSchemeTaskEONS_23URLSchemeTaskParametersE (libwebkit2gtk-4.0.so.37 + 0xb0ab3a)
#5 0x00007f9f4bdac8f3 _ZN3IPC13handleMessageIN8Messages12WebPageProxy18StartURLSchemeTaskEN6WebKit12WebPageProxyEMS5_FvONS4_23URLSchemeTaskParametersEEEEvRNS_10ConnectionERNS_7Deco>
#6 0x00007f9f4bd9f404 _ZN6WebKit12WebPageProxy17didReceiveMessageERN3IPC10ConnectionERNS1_7DecoderE (libwebkit2gtk-4.0.so.37 + 0x790404)
#7 0x00007f9f4c01868b _ZN3IPC18MessageReceiverMap15dispatchMessageERNS_10ConnectionERNS_7DecoderE (libwebkit2gtk-4.0.so.37 + 0xa0968b)
#8 0x00007f9f4c0cf4d0 _ZN6WebKit15WebProcessProxy17didReceiveMessageERN3IPC10ConnectionERNS1_7DecoderE (libwebkit2gtk-4.0.so.37 + 0xac04d0)
#9 0x00007f9f4c010fe5 _ZN3IPC10Connection15dispatchMessageESt10unique_ptrINS_7DecoderESt14default_deleteIS2_EE (libwebkit2gtk-4.0.so.37 + 0xa01fe5)
#10 0x00007f9f4c0131c9 _ZN3IPC10Connection24dispatchIncomingMessagesEv (libwebkit2gtk-4.0.so.37 + 0xa041c9)
#11 0x00007f9f4b24c98d _ZN3WTF7RunLoop11performWorkEv (libjavascriptcoregtk-4.0.so.18 + 0x136298d)
#12 0x00007f9f4b2acc5d _ZZN3WTF7RunLoopC4EvENUlPvE_4_FUNES1_ (libjavascriptcoregtk-4.0.so.18 + 0x13c2c5d)
#13 0x00007f9f4b2ad64d _ZN3WTF7RunLoopUlP8_GSourcePFiPvES3_E_4_FUNES2_S5_S3_ (libjavascriptcoregtk-4.0.so.18 + 0x13c364d)
#14 0x00007f9f4f89f17c g_main_context_dispatch (libglib-2.0.so.0 + 0x5717c)
#15 0x00007f9f4f8f5a98 g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0xada98)
#16 0x00007f9f4f89c824 g_main_context_iteration (libglib-2.0.so.0 + 0x54824)
#17 0x00007f9f4fac5b3d g_application_run (libgio-2.0.so.0 + 0xe7b3d)
#18 0x000055621937601f main (epiphany + 0x501f)
#19 0x00007f9f4f50874a n/a (libc.so.6 + 0x2d74a)
#20 0x00007f9f4f508806 __libc_start_main (libc.so.6 + 0x2d806)
#21 0x0000556219376335 _start (epiphany + 0x5335)

However, I can still give you all the version numbers it would give

WebKit version: 2.36.0 (tarball)
Operating system (uname -a): Linux adrians-macbook 5.16.16-mainline #1 SMP PREEMPT Mon Mar 21 19:34:18 UTC 2022 x86_64 GNU/Linux
Desktop ($XDG_CURRENT_DESKTOP): graphite:Wayfire:GNOME
Cairo version: 1.16.0
GStreamer version: 1.20.1
GTK version: 3.24.33
libwpe version: 1.12.0
wpebackend-fdo version: 1.12.0
Mesa version: 22.0.0
GL renderer: Mesa Intel(R) Iris(R) Graphics 6100 (BDW GT3)