Meld
Meld is a free, open-source diff and merge tool used by software developers to compare files, directories, and version-control repositories side by side. It displays changes in a clear visual format with syntax highlighting, supports editing directly within the comparison view, and integrates with Git, Subversion, Mercurial and other version-control systems. Developers rely on Meld for code review, conflict resolution and tracking changes across projects.
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1 suggestionMeld does not currently ship a native Apple Silicon build — the macOS version available from the GNOME project is Intel-only and runs under Rosetta 2. The project is still actively maintained but no native build has been announced. Since Apple is removing Rosetta 2 in macOS 28 (September 2028), you should start exploring alternatives now if you rely on Meld regularly. Consider switching to a native Apple Silicon diff tool such as Beyond Compare (paid), Kaleidoscope (paid Mac App Store app), or DeltaWalker (free, actively maintained), all of which run natively on M-series Macs. Keep an eye on the GNOME project's release notes over the coming months — if a native build does appear before September 2028, updating will be straightforward. In the near term, Meld continues to work under Rosetta 2 with acceptable performance for most diff tasks.
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