Andrew Johnson

If they can share a reproducible example than I can debug locally on Mac. I can't reproduce the ctsem crash above on Mac unfortunately

The tricky thing with 2.26 is that rstan 2.21 needs to be rebuilt against StanHeaders 2.26, otherwise it will segfault. Additionally 2.26 has a lot of custom `IFDEF`s and branching...

@bgoodri how's the rstan 2.26 submission going?

@bgoodri if you're short on time or overloaded with other work, did you want to temporarily assign someone else as the maintainer for CRAN? Then we can get everything up...

@bgoodri Here are all the changes needed for rstan 2.26 on CRAN, I've run the reverse dependency checks and also checked on winbuilder and all passes. StanHeaders needs one header...

@bgoodri those failures are because the packages aren't using `rstantools` to update their Makevars, and so are missing flags needed for compatibility with c++17 (the AUTO_PTR_ETC one) They're easy fixes...

@bgoodri PRs submitted: - [bmlm](https://github.com/mvuorre/bmlm/pull/23) - [Rlgt](https://github.com/cbergmeir/Rlgt/pull/6) - eggCounts: No public repo, emailed maintainer I think that's plenty to satisfy CRAN, so please go ahead and submit rstan or let...

> happens with the rstantools configure script disabled too, and no compilation occurring, fyi. This is because we're using a less powerful javascript engine (quickjs instead of V8) which is...

> I think I will modify the rmsb package to be for cmdstan and create a new package rmsbr whose sole content is rstan stanmodel objects that rmsb can use...

FYI (if you didn't already know) as of `cmdstanr` 0.6.0 moment-matching is available in the `$loo()` method (i.e., `fit$loo(moment_match = TRUE)`), with example usage in [the tests](https://github.com/stan-dev/cmdstanr/blob/5bd7ef37104e437269d24bffbe388fdf824e2c31/tests/testthat/test-fit-mcmc.R#L275)