Are there any implications for the LuaJIT support? LuaJIT is quite a bit faster than Lua which is why I always typeset my documents using luajittex. On Mon, 2017-10-30 at 17:26 +0100, Hans Hagen wrote:

Hi,

Luigi and I are currently looking into Lua 5.3 in combination with  LuaTeX. We have an experimental setup and all seems to work well, which  given the new number model of Lua is good news. Depending on how we  compile the binaries we either gain some speed or in the worst case  loose half the performance but that will be sorted out one of these days  as we know where to look.

For most users the consequences will be minimal but for those who use a  lot of Lua it makes sense to keep an eye on the subtle differences  between 5.2 and 5.3 which is why I post this.

For TeXLive we don't expect the switch before 2019 (so 2018 will ship  two binaries with the 5.2 one the official one) but for the context  distribution we will make the switch earlier so that we can test in real  situations.

Hans

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