Here is a recent history of Fenix's GV versions (from [Gecko.kt](https://github.com/mozilla-mobile/fenix/blob/master/buildSrc/src/main/java/Gecko.kt) and their [CreateEndpoints crash counts](https://crash-stats.mozilla.com/search/?signature=~CreateEndpoints&product=Fenix&platform=Android&date=%3E%3D2018-12-06T20%3A22%3A00.000Z&date=%3C2019-06-06T20%3A22%3A00.000Z&_facets=signature&_facets=cpu_arch&_facets=version&_facets=platform_pretty_version&_facets=product&_facets=build_id&_sort=-date&_columns=date&_columns=signature&_columns=product&_columns=version&_columns=build_id&_columns=platform#facet-build_id): GV Version|Build ID|Date Vendored|Crash Count|Crashes/Day|Changeset -|-|-|-|- 68 Beta|20190604110028|2019-06-05|TBD|TBD 68 Beta|20190527103257|2019-05-28|3928|655 68 Beta|20190520141152|2019-05-22|2567|183 68 Nightly|20190508111321|2019-05-08|288|58|65a693623cee0837b4ad0d23241c84cd3ea23e3a 68 Nightly|20190503041749|2019-05-03|0|0|083106d8fc7407c880a3a044c83d4e15e5961063 68 Nightly|20190429095544|2019-05-03|0|0 68 Nightly|20190422094240|2019-04-22|0|0 Looks like the crash first appeared in Build ID 20190508111321, but started getting worse in future versions. I don't know how many Fenix users we had for these different versions. Here is the pushlog between Build ID 20190503041749 and 20190508111321: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=083106d8fc7407c880a3a044c83d4e15e5961063&tochange=65a693623cee0837b4ad0d23241c84cd3ea23e3a That pushlog include ARM64 PGO bug 1543212 and 89.61% of these CreateEndpoints crashes are from ARM64 devices. Perhaps this is a PGO problem?
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Here is a recent history of Fenix's GV versions (from [Gecko.kt](https://github.com/mozilla-mobile/fenix/blob/master/buildSrc/src/main/java/Gecko.kt) and their [CreateEndpoints crash counts](https://crash-stats.mozilla.com/search/?signature=~CreateEndpoints&product=Fenix&platform=Android&date=%3E%3D2018-12-06T20%3A22%3A00.000Z&date=%3C2019-06-06T20%3A22%3A00.000Z&_facets=signature&_facets=cpu_arch&_facets=version&_facets=platform_pretty_version&_facets=product&_facets=build_id&_sort=-date&_columns=date&_columns=signature&_columns=product&_columns=version&_columns=build_id&_columns=platform#facet-build_id): GV Version|Build ID|Date Vendored|Crash Count|Crashes/Day|Changeset -|-|-|-|-|- 68 Beta|20190604110028|2019-06-05|TBD|TBD| 68 Beta|20190527103257|2019-05-28|3928|655| 68 Beta|20190520141152|2019-05-22|2567|183| 68 Nightly|20190508111321|2019-05-08|288|58|65a693623cee0837b4ad0d23241c84cd3ea23e3a 68 Nightly|20190503041749|2019-05-03|0|0|083106d8fc7407c880a3a044c83d4e15e5961063 68 Nightly|20190429095544|2019-05-03|0|0| 68 Nightly|20190422094240|2019-04-22|0|0| Looks like the crash first appeared in Build ID 20190508111321, but started getting worse in future versions. I don't know how many Fenix users we had for these different versions. Here is the pushlog between Build ID 20190503041749 and 20190508111321: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=083106d8fc7407c880a3a044c83d4e15e5961063&tochange=65a693623cee0837b4ad0d23241c84cd3ea23e3a That pushlog include ARM64 PGO bug 1543212 and 89.61% of these CreateEndpoints crashes are from ARM64 devices. Perhaps this is a PGO problem?