tl2020 pretest begin

[Joseph Wright]

On 03/03/2020 02:09, Karl Berry wrote:
> I think the pretest area is populated with the first build for TL 2020.
> See https://tug.org/texlive/pretest.html as usual for details of how to
> install (unchanged from previous years), and the list of notable changes
> that I've got so far. Additions or corrections to the news are greatly
> appreciated.
> 
> I have not caught up with the CTAN releases over the past few days. I
> expect all of those to be updated in the pretest over the next day or two.
> 
> The binaries for a few of the platforms (cygwin, armhf-linux,
> i386-netbsd) have not yet been updated. I expect that to happen soon
> also.  All others are current AFAIK.
> 
> BTW, as discussed in the LaTeX newsletters and other places, lualatex in
> the pretest now invokes the luahbtex engine, as lualatex-dev did for the
> last couple months in TL19.
> 
> Please try it if you can. Better to test now than wait for breakage in
> the official release. We have no dedicated testers or QA department, so
> it's all up to us collectively as volunteers.
> 
> Hope it flies,
> Karl

https://tug.org/texlive/pretest.html says \filedump is new in XeTeX, but 
it was there in 2019. (Aside: is there a good marker for TL'20 XeTeX 
other than the version string?)

Joseph