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SeaMonkey for Mac

SeaMonkey 2.53.18.2

  -  51.33 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of SeaMonkey 2.53.18.2.


For those interested in downloading the most recent release of SeaMonkey for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • SeaMonkey 2.53.18.2 Screenshots

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    SeaMonkey 2.53.18.2 Screenshot 1
  • SeaMonkey 2.53.18.2 Screenshot 2
  • SeaMonkey 2.53.18.2 Screenshot 3
  • SeaMonkey 2.53.18.2 Screenshot 4
  • SeaMonkey 2.53.18.2 Screenshot 5

What's new in this version:

- Block set-cookie from multipart/x-mixed-replace with pref
- Check if WorkerRunnable::Run runs on top of WorkerThreadPrimaryRunnable::Run in a worker thread
- Process pairs in coord list in PolyArea
- Cherry-pick update to dav1d
- Land NSS NSS_3_90_2_RTM UPGRADE_NSS_RELEASE
- Fix DSN for send later
- Catch webNavigation error during tab restore