Thanks both for the input, I've just tried 10.2.4 with full machine restart having deleted the App and no joy, interestingly, there's no evidence in the access log of the mac version connecting to evernote, there is for the web client but not for the mac.
Also there's no error in the log file, just info logging.
One interesting point regarding the main block above ( and I'm guessing here ) is that there's nothing listening on port 3003 on my mac as part of the BoronConfig
""dev":{"mainUrl":"http://localhost:3003"
[2020-10-31 11:27:13.034] [info] boron:config Loading boronConfig from path: /Users/peacn/Library/Application Support/Evernote/config.json
[2020-10-31 11:27:13.039] [info] boron:config Loading boron-config-template from path: /Applications/Evernote.app/Contents/Resources/static/boron-config-template.json
[2020-10-31 11:27:13.041] [info] boron:config Using boronConfig: {"dev":{"mainUrl":"http://localhost:3003","isDebug":false,"isFleEnabled":true,"ceVersion":"","noteInNewWindowEnabled":null,"isColorThemeEnabled":null,"isOfflineSearchEnabled":null,"isNapLoginEnabled":null,"tracingEnabled":false,"checkForLocalNotebooks":null,"sentryEnabled":false},"general":{"defaultServiceHost":"https://www.evernote.com","forceUpdateOnStart":true,"loginWindowWidth":600,"loginWindowHeight":760,"NapLoginWindowWidth":764,"NapLoginWindowHeight":481,"googleWindowWidth":500,"googleWindowHeight":420,"eventLog":false,"historyViewLayout":"WEB","conduitLogLevel":50,"popupNoteWindowLimit":20,"isSentryEnabled":true},"qa":{"updateChannelOverride":"","updateCheckPeriodMs":86400000,"remindersEnabled":false,"multiSelectEnabled":null,"multiSelectionLimit":50,"accountSwitcherEnabled":null,"initialNotesToFetch":3000,"paginationEnabled":null,"attachmentEditingEnabled":null,"isMagicDownsyncEnabled":null,"siwgNapFallbackTimeoutMs":null,"isHomeEnabled":null,"isTasksEnabled":null,"maestroTestPluginEnabled":null,"overridingArmIds":null}}
[2020-10-31 11:27:13.774] [info] boron:mainApplication Main app ready {"sender":{"_events":{},"_eventsCount":13,"commandLine":{}}}
[2020-10-31 11:27:15.526] [info] electron:autoUpdater Evernote v10.2.4-1949 checking for updates on channel public
[2020-10-31 11:27:15.528] [info] boron:mainApplication servicesConfig {
GA: { apiKey: 'UA-285778-106', sandboxMode: false },
CEC: { host: 'https://cec.svc.evernote.com' },
featureFlags: {
isBoardPluginEnabled: true,
isOfflineSearchEnabled: true,
isNSyncEnabled: false,
isMonetizationServiceEnabled: true,
isTaskPluginEnabled: true
}
}
[2020-10-31 11:27:15.533] [info] electron:autoUpdater Evernote v10.2.4-1949 checking for updates on channel public
[2020-10-31 11:27:15.548] [info] boron:mainApplication ----- Account Auth State ----- { authState: 'NoAuth' }
[2020-10-31 11:27:16.212] [info] Checking for update
[2020-10-31 11:27:16.716] [info] Update for version 10.2.4 is not available (latest version: 10.2.4, downgrade is disallowed).
[2020-10-31 11:27:16.718] [info] electron:autoUpdater Next update check: 2020-11-01T11:27:16.717Z.