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Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Rated 4 out of 5 stars (120)
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Works with Thunderbird 3.3a1 - 31.*
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Markdown Here Requires Restart

Write your email in Markdown, then make it pretty.

Rated 4 out of 5 stars (46)
35 users

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Works with Thunderbird 6.0 - 60.*
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JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

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0 users

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Works with Thunderbird 14.0 - 16.*
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