@burnout426 Here are all the files with prefix .org.chromium.Chromium. under ~/.config/opera/
They were created on Nov. 16 and today is Nov. 26.
.org.chromium.Chromium.1RO1LL
.org.chromium.Chromium.aG4N4S
.org.chromium.Chromium.emoGnG
.org.chromium.Chromium.Fekgka
.org.chromium.Chromium.jY4Dfu
.org.chromium.Chromium.L3S6HU
.org.chromium.Chromium.NnVb2d
.org.chromium.Chromium.NswJjv
.org.chromium.Chromium.oB1yys
.org.chromium.Chromium.SPY8w9
.org.chromium.Chromium.TdbbHV
.org.chromium.Chromium.w9S8cd
.org.chromium.Chromium.wztya0
Excerpt of .org.chromium.Chromium.1RO1LL, which is JSON I believe, follows:
{"SDCH":{"dictionaries":{},"version":2},"net":{"http_server_properties":{"broken_alternative_services":[{"anonymization":[],"broken_count":1,"host":"facebook.com","port":443,"protocol_str":"quic"},{"anonymization":[],"broken_count":19,"host":"www.leecheen.com","port":443,"protocol_str":"quic"},{"anonymization":[],"broken_count":12,"host":"pic.pimg.tw","port":443,"protocol_str":"quic"},{"anonymization":[],"broken_count":6,"host":"www.startpage.com","port":443,"protocol_str":"quic"},{"anonymization":[],"broken_count":7,"host":"news.ourhappybirthday.com","port":443,"protocol_str":"quic"},{"anonymization":[],"broken_count":38,"host":"www.bigfang.tw","port":443,"protocol_str":"quic"},{"anonymization":["HAAAABUAAABodHRwczovL2NhbWJyaWRnZS5vcmcAAAA=",true],"broken_count":1,"host":"u.ipw.metadsp.co.uk","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABEAAABodHRwczovL2hpbmV0Lm5ldAAAAA==",true],"broken_count":13,"host":"www.bigfang.tw","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABEAAABodHRwczovL2hpbmV0Lm5ldAAAAA==",true],"broken_count":1,"host":"tags.creativecdn.com","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABEAAABodHRwczovL2hpbmV0Lm5ldAAAAA==",true],"broken_count":6,"host":"statics.creativecdn.com","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABEAAABodHRwczovL3lhaG9vLmNvbQAAAA==",true],"broken_count":1,"host":"a.sportradarserving.com","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABEAAABodHRwczovL3lhaG9vLmNvbQAAAA==",true],"broken_count":2,"host":"trace.popin.cc","port":443,"protocol_str":"quic"},{"anonymization":["HAAAABUAAABodHRwczovL3N0YXJ0cGFnZS5jb20AAAA=",false],"broken_count":61,"host":"www.startpage.com","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABQAAABodHRwczovL2ZhY2Vib29rLmNvbQ==",false],"broken_count":1,"host":"scontent.ftpe7-4.fna.fbcdn.net","port":443,"protocol_str":"quic"},{"anonymization":["GAAAABQAAABodHRwczovL2xpbmtlZGluLmNvbQ==",true],"broken_count":1,"host":"radar.cedexis.com","port":443,"protocol_str":"quic"}],"servers":[{"anonymization":["GAAAABEAAABodHRwczovL2hpbmV0Lm5ldAAAAA==",false],"server":"https://info.cloudflare.com","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13346939393370659","port":443,"protocol_str":"quic"}],"anonymization":["GAAAABEAAABodHRwczovL2hpbmV0Lm5ldAAAAA==",true],"server":"https://dc2694e3dcaab805a098c611d07b5ffe.safeframe.googlesyndication.com"}
...
,"server":"https://www.googleapis.com","supports_spdy":true},{"anonymization":["OAAAADMAAABjaHJvbWUtZXh0ZW5zaW9uOi8vb2JoYWlncG5oY2lvYW5uaWlhZXBjZ2tkaWxvcGZsYmIA",false],"server":"https://go.hearty.me","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13347193163761059","port":443,"protocol_str":"quic"}],"anonymization":["OAAAADMAAABjaHJvbWUtZXh0ZW5zaW9uOi8vb2JoYWlncG5oY2lvYW5uaWlhZXBjZ2tkaWxvcGZsYmIA",false],"network_stats":{"srtt":17211},"server":"https://a.nel.cloudflare.com","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13344687563384956","port":443,"protocol_str":"quic"}],"anonymization":["OAAAADMAAABjaHJvbWUtZXh0ZW5zaW9uOi8vb2JoYWlncG5oY2lvYW5uaWlhZXBjZ2tkaWxvcGZsYmIA",false],"network_stats":{"srtt":156443},"server":"https://hearty.me","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13347193816639865","port":443,"protocol_str":"quic"}],"anonymization":["HAAAABUAAABodHRwczovL2NhbWJyaWRnZS5vcmcAAAA=",false],"network_stats":{"srtt":25122},"server":"https://analytics.google.com","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13347193816762868","port":443,"protocol_str":"quic"}],"anonymization":["HAAAABUAAABodHRwczovL2NhbWJyaWRnZS5vcmcAAAA=",false],"network_stats":{"srtt":22274},"server":"https://stats.g.doubleclick.net","supports_spdy":true},{"alternative_service":[{"advertised_alpns":["h3"],"expiration":"13347193816769886","port":443,"protocol_str":"quic"}],"anonymization":["HAAAABUAAABodHRwczovL2NhbWJyaWRnZS5vcmcAAAA=",false],"network_stats":{"srtt":16692},"server":"https://www.google.com.tw","supports_spdy":true}],"supports_quic":{"address":"2001:b011:2003:349b:7285:c2ff:fe45:3eb0","used_quic":true},"version":5},"network_qualities":{"CAESABiAgICA+P////8B":"4G","CAYSABiAgICA+P////8B":"Offline"}}}