**Noteworthy changes in version 1.57** (2025-12-10) [C41/A41/R0]
* The sysconfdir as provided by the configure run is now used for the
default global config files of the argparser. [T7894]
* New function gpgrt_fconcat and improved the existing
gpgrt_fnameconcat and gpgrt_absfnameconcat. [T7894,rE34dba88757]
* On Windows use the UI language instead of the locale for
translations. [T7874]
* Some minor build improvements for zOS.
* Updated the Swedish and Portuguese translations.
```
Interface changes relative to the 1.56 release:
gpgrt_fconcat NEW.
GPGRT_FCONCAT_ABS NEW.
GPGRT_FCONCAT_TILDE NEW.
GPGRT_FCONCAT_SYSCONF NEW.
```
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//(prev: T7625 next: T7970)//