New primitives \pdfrunninglinkoff and \pdfrunninglinkon e.g., for disabling generation of links in headers and footers.Value of epsilon changed in binary and decimal modes, so mp_solve_rising_cubic works as expected.Document -T option, other fixes to manual.SOURCE_DATE_EPOCH environment variable support for reproducible output.Removed width/ic compensation for traditional math code path.Mark math glyphs as protected to prevent processing as text.Callback for nesting level used in \tracingmacros, as generalized variant of the new \tracingstacklevels.The aleph binary itself is still included and supported. Aleph: The Aleph-based LaTeX format, named lamed, has been removed.Also, macro logging is truncated at a depth ≥ the parameter value. Except in original TeX: a new integer parameter \tracingstacklevels, if positive, and \tracingmacros is also positive, causes a prefix indicating the macro expansion depth to be output on each relevant log line (e.g., ~.Except in original TeX: if \tracinglostchars is set to 3 or more, missing characters will result in an error, not just a message in the log file, and the missing character code will be shown in hex.As expected, the fixes are for obscure cases and do not affect any behavior in practice. They are also available on CTAN as the knuth-dist and knuth-local packages. Donald Knuth’s changes for his 2021 tuneup of TeX and Metafont are incorporated ( ).Thanks goes to all the developers, builders, the great CTAN team, and everyone who has contributed to this release!įinally, here are the changes as listed in the master TeX Live documentation: Most of the above features have been available already either via tlpretest or via regular updates, but are now fully released on the DVD version. Engines: several new debug primitives ( \tracing.). ![]() The new version in TL 2021 has a long list of improvements and better support. ![]() dvipdfmx: The last year has seen an interesting rise in interest into dvipdfmx, which is often used to convert documents of the Japanese TeX engines, but also the main backend of XeTeX.MacTeX: support for new ARM based machines. ![]() What that means is that probably far less people felt compelled to try the pretest release of TeX Live 2021, and thus the current release might have seen less testing – we will see how it fares!Īlso, just shortly before the release, a security relevant report reached us and we had to fix up a bunch of security issues in various programs, thanks to the report with excellent test cases this could be done in time for the release.īefore providing the full list of changes, here a few things I would like to pick out: Get the Champagne ready, we have released the final images of TeX Live 2021.įor this year’s release process we have changed how to deal with updates of the tlnet distribution for TeX Live 2020 during the preparation: Due to many complaints in the last year that the freeze period of 1-2 months which we need to get all binaries compiled and in shape, we have continued to update TeX Live 2020 while at the same time preparing TeX Live 2021.
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