An error produced by IDE on mouse hover on help item after invoke help with `?`

Today I observed an error while doing this:

  1. Displayed help with command ?mem_used for function in package lobstr
  2. Moved mouse over text in help tab with hyperlink (e.g. .Last.value) immediately after command

An error message in console says:
Error in base::args(object) : could not find function "D:/Rlang/R4/R-4.3.0/library/lobstr/help/mem_used"

Does this mean a bug in IDE? Details below

Although help text displayed normally.

Other search here in community was not helpful, neither SO search (at least one found thing is that probably package built version vs my R version 'mismatch' mentioned here ). However, I checked my versions:

  • for installed lobstr it is 4.3.0
Repository: CRAN
Date/Publication: 2022-06-22 23:20:02 UTC
Built: R 4.3.0; x86_64-w64-mingw32; 2023-05-14 00:31:22 UTC; windows
Archs: x64
  • for my R is also 4.3.0:
platform       x86_64-w64-mingw32               
arch           x86_64                           
os             mingw32                          
crt            ucrt                             
system         x86_64, mingw32                  
major          4                                
minor          3.0                              
year           2023                             
month          04                               
day            21                               
svn rev        84292                            
language       R                                
version.string R version 4.3.0 (2023-04-21 ucrt)
nickname       Already Tomorrow
  • RStudio IDE is 2023.06.0 Build 421

UPDATE: installed new IDE 2023.12.0 Build 369, the same error is there.
However, interesting observation: when opening new instance RStudio IDE after previous closed the error temporarily disappears (help hint displayed), but after steps 1) and 2) above error appears again.

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