- Update to version 0.15.0
* The --web-bundle flag can now be used in more situations, specifically
tectonic -X new and tectonic -X init
* As part of the above work, you can now activate the "V2" interface with the
-X flag in more places on the Tectonic command line.
* The Tectonic.toml file used by the "V2" interface now supports a
[metadata] section for arbitrary structured user metadata.
* The "V2" interface also now supports external commands.
If you have a program named tectonic-blah in your search path, running
tectonic -X blah will execute it.
* Running tectonic -Z help (as opposed to tectonic -Zhelp) now actuallyworks
works