When using the command line parameter -config-version-check ignore, the expected version is now written to the settings files if a mismatch is detected.
FTP Server: The NLST command now reports paths compliant with RFC 1123.
The number of possible worker threads has been reduced to a maximum of 256.
Implemented a workaround, until it gets addressed by future MinGW toolchains
MSW: Due to a toolchain issue, programs making use of thread-local variables would crash on exit.
Fixed server crashes due to unexpected socket events in some corner cases.
Sudden deaths of the impersonator process no longer cause unintended behavior.
Configuration data that cannot be serialized now prevents an incomplete output file from being written to disk.
Admin UI: The system_user's name cannot be edited anymore (rightly so).
Admin UI (macOS): Implemented workarounds for some wxWidgets glitches and malfunctions.
Admin UI: Fixed a crash in listener editor.
Admin UI: The password fields in the configuration dialog now how show a hint to inform the user about how to keep the existing password.
Communication with the impersonator child process is now asynchronous.
Settings still residing under %LOCALAPPDATA%\filezilla-server are automatically migrated. This is to workaround the issue that when doing a Windows Update the settings could be wiped out.
MSW: If the service is running under the SYSTEM account, configuration files are now placed under %PROGRAMDATA%\filezilla-server.
Server: The version number in the welcome messsage can now be manually suppressed by setting the "has_version" attribute of the message field in the configuration file to "false".
Server: Implemented throttling of login attempts in case of too many failed attempts.
Admin UI: Connection dialog did not remember the last used port if there are multiple saved entries for the same hostname with different ports.
Admin UI: Fixed switching from "Use system credentials to log in" to "Require a password to log in" not applying.
MSW: The notification area icon now displays again in all display scale factors.
Fixed a crash if a session is closed and the data connection receives a connection error at the same time.
FileZilla Server 1.5.1 () Bugfixes and minor changes: