Synergy release notes

At a glance

• Increased stability and fix many bugs found in v3.0
• Improved first-instance troubleshooting for customers
• Reduced tech debt, code smells, and anti-patterns
• Converted majority of JavaScript code to strict TypeScript
• Fixed reliability issues and security hot-spots
• Improved productivity of development environment
• Fixed new bugs that may make beta testing difficult

Known bugs

• Error on Linux about TLS fingerprint prevents Core starting
• Transient TLS fingerprint errors when starting Core process
• Various errors occur when clicking 'Config file' switch
• Behavior of dragging screens on layout editor is jittery
• Random green lines appear on the 'Screen layout' editor
• Screen resize can go beyond the bounds of the layout editor
• Dragging over another on the layout editor picks up other computer
• Core process is restarted unexpectedly when changing settings
• Random error related to browser window creation
• Core 'refused client' error when removing computer
• Computer naming allows duplicate names
• Core sometimes connects to 'undefined' port/address
• Various bugs related to updating serial key
• Windows Daemon takes 3 seconds to start the Core
• Error about 'computer already setup' when naming computer
• Fatal error from Core: File creation issue during launch
• Unable to start a free trial from the welcome screen
• Screens overlap with the context menu on the layout editor
• Various errors related to invalid serial keys in some cases
• Slow graphic load on 'Name your computer' screen
• Core process error: Fatal command launch issue
• Clicking 'Cancel' on the login screen logs you in

Fixed bugs

• Cannot remove computer on 'Screen layout' or 'Manage computers'
• Computer online state not showing correctly on 'Screen layout'
• Background service crashes when various ports are is in use
• Manually connecting to a computer works unreliably
• Accessibility error on macOS permission screen
• Pre-login agent error on macOS when reconfiguring
• Manual connection fails if user logged in using email and password
• Logging in with same email and password yields two different licenses
• Manual connection fails and there no information about the reason why
• Error when starting Core process with 'Config file' mode
• Stopping Core from tray when not running causes error
• Twitchy start/stop tray menu item on macOS
• Error: cannot save trusted servers, fingerprint is empty
• Error: failed to update settings on react init
• TypeError: this.createPermissionWindow is not a function
• macOS permission window is not shown on fresh install
• Version API returns 502, which is shown as error
• Error: is server option is undefined
• Flashing accessibility permissions window on macOS
• Error: missing serial in database cache
• ReferenceError: exec is not defined on macOS
• Seeing 'Error: missing app' when connecting manually
• ReferenceError: match is not defined on create password page
• Error: electron ipc send response was null
• Service logs unhelpful error message when reporting to GUI
• Error dialog shows when unable to check for updates
• Clicking report diagnostics shows 'Error: settings is not set'
• Error: Error invoking remote method 'serviceFetch'
• Using 'Config file' mode and running as a server fails
• Error: Cannot read properties of undefined (reading 'id')
• Diagnostic tool misreporting error about default scheme
• Electron IPC error when running the diagnostic tool
• Error: unable to find license with valid edition
• Error: failed to copy fingerprint file from 'x' to 'y'
• Wayland message box sends to bad URL
• Network Device option swapping immediately to Auto
• Serial key field is cleared when it's invalid
• Last cause is repeated twice in Axios error summary
• Error: unsupported expiry stage: expiryStage()
• Error: expressions.tomorrow is not a function
• Serial key field is cleared when it's invalid
• Service error reporting is showing as disabled when enabled
• Service is not started after fresh install
• Error: websocket client error
• Error: The connection to the local background service timed out
• Error: is server option is undefined
• Error: message data must be an object
• Error: could not parse serial key
• Version check failed: AxiosError: unable to get local issuer certificate
• Fingerprint error when TLS is not being used
• Service process is not running after reset settings
• Custom config blank randomly when turning off 'Config file' mode
• Error: config invalid, no data
• Error: server args not set
• Error: server ip client arg is not set
• Unexpected redirect to the 'Name your computer' screen
• Unable to manually connect in some cases
• Error: read ENOTCONN (spawn [...]/synergy-security EAGAIN)
• Error: failed to persist tls fingerprint target directory
• Error: unknown permission status received
• ReferenceError: cause is not defined
• Tray is not running after installation on Windows
• Error: failed to copy fingerprint file
• Error: read must be called before accessing data (custom config)
• Error: log window does not exist
• Error: could not parse serial key
• macOS becomes unresponsive when disabling permission
• Error: no serial key
• Error: browser window has not yet been created
• Error: failed at reset computer step: self from database
• Redirected to 'Name your computer' after resetting config
• Error: tray process exited with non-zero code, code=1 signal=unknown (Linux)
• Unable to paste serial key on macOS
• Unable to login using login and password
• Unable to paste serial key to serial key screen
• Hotkey screen blank after adding hotkey
• The diagnostic screen shows only the background service install status
• Match code is not printed in Service log
• When at login screen, background service disconnect doesn't show loading screen
• Clicking 'This computer's details' show blanks screen
• Blank screen on first time going to 'Screen layout'
• 'Auto discover' functionality fails unexpectedly
• Unable to launch Core from Windows daemon: failed to launch
• Tray icon blocking Apple menu in top left of screen
• Core error: could not get next process entry
• Red dot log badge not shown when there are errors
• Many instances of background service and tray are running
• Error: libssl-1_1-x64.dll was not found
• Error: cannot process empty core log data
• Error: cannot emit data saved event, data not ready yet
• Login button kicks you back to welcome screen

Enhancements

• Delete the GUI settings when resetting
• Show major version number (3.1) at start of GUI title
• Show errors in GUI when tray process crashes
• Show simple stack trace at top of technical info
• Reset Core errors when restarting Core process
• Show actual error message in error dialog
• Resolve various security issues by upgrading packages
• Show error types when logging exceptions in background service
• Change systemd unit files to output to journal
• Increase logging and error cases for tray process controller
• Setting to suppress display of noisy Core error dialogs
• Show 'unknown' in error dialog when reporting is unknown
• Make it easier to diagnose problems with invalid licenses
• Replace quiet error log calls with noisy error report

Technical changes

• Upgraded from Node 16 to Node 18 for improved security and reliability
• Upgrade Core from C++10 to C++20 and use latest VC++ redist
• Various productivity improvements to the development environment
• Upgrade all packages for background service and GUI
• Enable very strict lint rules for TypeScript
• Convert all GUI JavaScript modules to TypeScript
• Convert all background service JavaScript to TypeScript
• Setup new build system and toolchain for code repo
• Remove various hard coded URLs and magic strings
• Remove legacy code in React-Electron IPC
• Remove dead code relating to the defunct GUI wizard
• Clean up dead code related to copying TLS fingerprint
• Decouple Core config from database with better design
• Remove Core connector which adds unnecessary complexity
• Upgrade Core package for Apple Notary
• Make Electron responsible for installing background service
• Reorganize background service database modules
• Implement global state management using Redux
• Refactor Core process management code
• Refactor license management code in GUI
• Refactor database read code to remove code duplication
• Refactor REST background service component
• Refactor database, sync, and Core config in Service
• Refactor error reporting in GUI and background service
• Refactor settings loading logic in GUI
• Refactor and reorganize Service installer
• Refactor various React class components to function components

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