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Go46 warns to update to McOS15 (64-bit Catalina) because Thunderbird (68.2.2)-file 'libxpcom_core.dylib' works on 32bit!?

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  • Last reply by sfhowes

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Before updating McOS 14 to McOS15 ('Catalina') Apple recommends to check all programmes with regard to their 64bit-ability. When using Go64-software to pre-check this it diagnoses that Thunderbird (64-bit version 68.2.2) has a file 'libxpcom_core.dylib' could cause problems, depending on how the app handles situations where its 32-bit components would normally be used and recommends to "check for a more recent version or contact the application's developer for more information!?

Before updating McOS 14 to McOS15 ('Catalina') Apple recommends to check all programmes with regard to their 64bit-ability. When using Go64-software to pre-check this it diagnoses that Thunderbird (64-bit version 68.2.2) has a file 'libxpcom_core.dylib' could cause problems, depending on how the app handles situations where its 32-bit components would normally be used and recommends to "check for a more recent version or contact the application's developer for more information!?

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Despite what Go64 claims, the OS X version of TB has long been 64-bit, and other users have installed 68.2.2 in Catalina with none of the issues about 32-bit components.