eul: Release 1.4.1 crashes silently

Version 1.4.1 crashes without warning when switching between the areas in the settings (excerpt; no idea which elements are relevant for error analysis; i filtered the console log for “eul”).

Affected systems: MacBook Pro, iMac27, both with Catalina 10.15.7

Acquiring assertion targeting executable<eul(501)> from originator [daemon<com.apple.coreservices.launchservicesd>:146] with description <RBSAssertionDescriptor; frontmost:9324; ID: 307-146-480; target: 9324> attributes = {
    <RBSDomainAttribute: 0x7fa0afd27e60; domain: com.apple.launchservicesd; name: RoleUserInteractiveFocal; sourceEnvironment: 0x0>;
}

Assertion 307-146-480 (target:executable<eul(501)>) will be created as active

[executable<eul(501)>:9324] Ignoring jetsam update because this process is not memory-managed

Finished acquiring assertion 307-146-480 (target:executable<eul(501)>)

[executable<eul(501)>:9324] Set darwin role to: UserInteractiveFocal

Task <DF301F3B-3BB0-4DBB-960A-0451095CF219>.<4> resuming, QOS(0x21) Voucher (null)

Task <DF301F3B-3BB0-4DBB-960A-0451095CF219>.<4> summary for task success {transaction_duration_ms=0, response_status=200, cache_hit=1}

[executable<eul(501)>:9324] Ignoring GPU update because this process is not GPU managed

Task <DF301F3B-3BB0-4DBB-960A-0451095CF219>.<4> finished successfully

precondition failure: <private>

Connection removed: IOHIDEventSystemConnection uuid:9727EC1C-44A8-4241-A5BB-C01F1B948E23 pid:9324 process:eul type:Passive entitlements:0x0 caller:HIServices: ___GetIOHIDEventSystemClient_block_invoke + 26 attributes:(null) state:0x1 events:0 mask:0x0

Connection removed: IOHIDEventSystemConnection uuid:045336F7-8B79-4ACB-890A-2BC6A0EE315D pid:9324 process:eul type:Passive entitlements:0x0 caller:HIToolbox: ___GetIOHIDEventSystemClient_block_invoke + 26 attributes:(null) state:0x1 events:0 mask:0x0

[executable<eul(501)>:9324] Death sentinel fired!

Invalidating assertion 307-146-480 (target:executable<eul(501)>) from originator 146

-[PersistentAppsSupport applicationQuit:] | for app:eul, _appTrackingState = 2

Invalidating assertion 307-146-396 (target:executable<eul(501)>) from originator 146

defusing ticker tickerFatal having seen progress by flow for com.gaosun.eul, rxbytes 6050 duration 21.571 seconds started at time: Mon Nov  9 09:46:08 2020

Parsing corpse data for process eul [pid 9324]

Removing process: [executable<eul(501)>:9324]

Removing assertions for terminated process: [executable<eul(501)>:9324]

Sending event: com.apple.stability.crash {"appVersion":"1.4.1","bundleID":"com.gaosun.eul","exceptionType":13,"process":"eul","responsibleApp":"eul"}

Received event: com.apple.stability.crash {"appVersion":"1.4.1","bundleID":"com.gaosun.eul","exceptionType":13,"process":"eul","responsibleApp":"eul"}

Aggregated. Transform: StabilityCrashNumerator Dirty: 3 Event: com.apple.stability.crash {"appVersion":"1.4.1","bundleID":"com.gaosun.eul","exceptionType":13,"process":"eul","responsibleApp":"eul","timestamp":1604911593015960}

Aggregated. Transform: StabilityCrashNumerator2 Dirty: 1 Event: com.apple.stability.crash {"appVersion":"1.4.1","bundleID":"com.gaosun.eul","exceptionType":13,"process":"eul","responsibleApp":"eul","timestamp":1604911593015960}

Aggregated. Transform: StabilityCrashNumerator3 Dirty: 1 Event: com.apple.stability.crash {"appVersion":"1.4.1","bundleID":"com.gaosun.eul","exceptionType":13,"process":"eul","responsibleApp":"eul","timestamp":1604911593015960}

Handling an apps installed notification with bundle IDs (
    "com.gaosun.eul"
)