Elixir v1.8.0-rc.0 released

@josevalim Awesome work especially that you released it today! I have just tried it and for now everything seems to work. I have only one question … Is it expected to work like that?

> DateTime.now("Etc/Universal")
{:error, :utc_only_time_zone_database}
> DateTime.now("Etc/Zulu")     
{:error, :utc_only_time_zone_database}
> DateTime.now("Etc/UTC")
{:ok, #DateTime<2018-12-24 15:15:00.471176Z>}

Maybe I do not get how it should work, but I though that all of those 3 names are correct for UTC …

To know that Etc/Zulu is a thing (or an alias to be more precise) we need a database and we don’t ship with a database by default, so we literally only know about Etc/UTC. TL;DR - that’s expected, yes.

How exciting! I have installed the rc and tried it with a few of my repos. All of my smaller repos just work™, but I have two larger projects that depend on cachex which fail to compile:

== Compilation error in file lib/cachex/spec/validator.ex ==
** (CompileError) lib/cachex/spec/validator.ex:36: invalid record specification, expected the record name to be an atom
    (elixir) lib/kernel/typespec.ex:875: Kernel.Typespec.compile_error/2
    (elixir) lib/enum.ex:1431: Enum."-map_reduce/3-lists^mapfoldl/2-0-"/3
    (elixir) lib/enum.ex:1431: Enum."-map_reduce/3-lists^mapfoldl/2-0-"/3
    (elixir) lib/kernel/typespec.ex:927: Kernel.Typespec.fn_args/5
    (elixir) lib/kernel/typespec.ex:913: Kernel.Typespec.fn_args/6
    (elixir) lib/kernel/typespec.ex:366: Kernel.Typespec.translate_spec/8
    (elixir) lib/enum.ex:1431: Enum."-map_reduce/3-lists^mapfoldl/2-0-"/3
    (elixir) lib/kernel/typespec.ex:223: Kernel.Typespec.translate_typespecs_for_module/2

https://github.com/whitfin/cachex/blob/master/lib/cachex/spec/validator.ex#L36

@sneako that’s definitely a bug. Can you please fill in a report? Thank you!

Congrats! Looking forward to testing it out.

Edit: Used asdf list-all elixir to find the proper version to use.

You can build it with asdf straight from github using ref: like asdf install elixir ref:v1.8.0-rc.0

No need, just update plugin and use asdf install elixir 1.8.0-rc.0-otp-21

Compiled and tested ex_cldr and other derived packages with no issues at all, and compilation did indeed feel faster. Thanks for yet another solid release.

Can’t wait to get my new Cldr.Calendars package out the door based upon the new Calendar behaviour additions. It will also support serving configuration to the new formatter as well.

I can see that for supports a new :reduce argument, but it’s not mentioned in the master branch doc:

https://hexdocs.pm/elixir/master/Kernel.SpecialForms.html#for/1

Should I look somewhere else for the doc?

It seems our automated tools stopped updating the docs, we will investigate, thank you!