[erlang-questions] R14B03 compiled code vs R15B compiled code

Jachym Holecek <>
Fri Jan 20 23:52:33 CET 2012

# Wes James 2012-01-20:
> I've been pushing some R15B compiled code to some workstations that
> have R14B03 on them, but they crash when run.  If I take my code and
> compile it on the R14B03 system and run it, it does not crash.  What
> is the compatibility between versions?

IIRC the contract is that code compiled with R${n} shall work fine
with R${N+1} and R${N+2} -- nothing more, especially not in the
opposite direction.

> I don't remember having any issue in the past between versions
> (like R14 and R13).

You got lucky I think.

	-- Jachym

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