Recently when Opera was run on a Debian Linux desktop, it crashed with dmesg error message :
Out of memory: Killed process 2419396 (opera) total-vm:25570472kB, anon-rss:47512kB, file-rss:0kB, shmem-rss:1024kB, UID:1000 pgtables:816kB oosm_score_adj:300
Opera version is 86.0.4363.23