Created attachment 173972 [details]
screenshot

RKward Installation via Software Center in  Ubuntu 24.04.1 LTS (Language German)

After installation there are no icons for adding or removing variables (see screenshot).

-- Frontend --
RKWard version: 0.7.5
KDE Frameworks version (runtime): 5.115.0
KDE Frameworks version (compile time): 5.115.0
Qt version (runtime): 5.15.13
Qt version (compile time): 5.15.12
Using QtWebKit for HTML rendering
Local config directory: /home/les/.config
RKWard storage directory: /home/les/.rkward/
Backend version (as known to the frontend): 4.3.3

Debug message file (this may contain relevant diagnostic output in case of trouble):
/tmp/rkward.frontend

-- Backend --
Debug message file (this may contain relevant diagnostic output in case of trouble):
/tmp/rkward.rbackend

R version (compile time): 4.3.3  (2024-02-29 r86002)
R runtime session info:
R version 4.3.3 (2024-02-29)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 24.04.1 LTS

Matrix products: default
BLAS:   /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3 
LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.26.so;  LAPACK version 3.12.0

locale:
 [1] LC_CTYPE=de_DE.UTF-8          LC_NUMERIC=C                 
 [3] LC_TIME=de_DE.UTF-8           LC_COLLATE=de_DE.UTF-8       
 [5] LC_MONETARY=de_DE.UTF-8       LC_MESSAGES=de_DE.UTF-8      
 [7] LC_PAPER=de_DE.UTF-8          LC_NAME=de_DE.UTF-8          
 [9] LC_ADDRESS=de_DE.UTF-8        LC_TELEPHONE=de_DE.UTF-8     
[11] LC_MEASUREMENT=de_DE.UTF-8    LC_IDENTIFICATION=de_DE.UTF-8

time zone: Europe/Berlin
tzcode source: system (glibc)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] rkward_0.7.5

loaded via a namespace (and not attached):
[1] compiler_4.3.3 tools_4.3.3