I believe that what is being proposed here are changes to recent entries in NEWS.Rd.
On Tue, Dec 30, 2025, 10:04 Aakriti Kushwaha <[email protected]> wrote: > Hello R developers, > > > I would like to contribute three improvements to the R source: > > > 1. > > *S4 object support for **confint.default()* > > - > > confint.default() now works on S4 objects as long as suitable coef() > and vcov() methods exist. > > 2. > > *substring()** and **substr()** improvements* > > - > > Both functions now accept i2 = NULL, allowing extraction until the > end of the string. > - > > Improves convenience and aligns with user expectations. > > 3. > > *Introduction of **%notin%** operator* > > - > > %notin% added as a base R idiom for !(x %in% table). > - > > Enhances readability and avoids repeated negation in user code. > > > > *Motivation:* > > > - > > Enhance S4 object compatibility. > - > > Improve string handling convenience. > - > > Provide a cleaner syntax for common negation of %in%. > > > *Impact:* > > > - > > Backward compatible; no breaking changes for existing S3 workflows. > > The corresponding patch files are attached to this email. > > I hope these changes are helpful. I look forward to any feedback or > suggestions you may have. > > > Thank you for your time and for maintaining R! > > > Best regards, > > Aakriti Kushwaha > > GitHub: aakritixyz <https://github.com/aakritixyz> > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > [[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
