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In addition to the architectural changes, we also spent a lot of time refactoring the code, running static analysis tools over the source, looking for memory leaks, potential bugs etc. One of the results of this is reduced memory usage during a build compared to FB7. The FB8 AT5 IDE does use slightly more memory than the FB7 IDE at startup (mostly due to the heavy use of delphi generics), however the runtime memory usage is much lower.A large part of the refactoring involved unit testing (we created a new unit test framework to suite our needs!) and creating a suite of integration tests.
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