We're happy to announce that X10 version 1.7.3 is now available for
download.  For more information, please see the 1.7.3 release page at
http://x10.codehaus.org/X10+1.7.3+Release.

The release notes are appended:

This release includes both the C++ and Java code generation backends.

The C++ backend is now in the publicly-visible SourceForge SVN repository.

This release makes the following language change since 1.7.2:
- "to" is no longer used for casts, use "as"
- X10 now supports "at" statements

The following features described in the 1.7 language manual do not
currently work with the Java backend and will be fixed in the subsequent
releases:

- Type parameters on closures
- Non-static type definitions as class or interface members
  (static type defs do work)
- Type definitions as package members (i.e., in the outermost scope of
  a compilation unit)
- AST externalization to XML
- Shared local variables
- Extern methods

Additionally, the following features described in the 1.7 language
manual do not currently work with the C++ backend and will be fixed in
the subsequent releases:

- Garbage collection
- Generic virtual methods
- Exception stack traces on Cygwin and AIX
- Finally blocks with return, break or continue.

Here's a list of known issues with the C++ backend:

- Default values are not assigned to some value types
- Static initialization is sometimes incorrectly ordered (at the moment
  it's very brittle, though somewhat controllable by the link order of
  files)
- Operator overloading does not work correctly sometimes
- Hash codes are not computed correctly for some classes

A detailed list of the 126 issues addressed in the 1.7.3 release can be
found in JIRA: http://jira.codehaus.org/browse/XTENLANG/fixforversion/14695
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