4.8.6 Update: WordPress Post Editor returns unrecognized blocks (not rendering)

  • Today I updated to Astra Theme 4.8.6. After this, the WordPress post editor returns javascript errors like:

    Block validation:
    Expected attributes(3)?[Array(3), Array(3), Array(3)]
    0: (3)?['style',?'height:40px',?true]
    1: (3)?['aria-hidden',?'true',?true]
    2: (3)?['class',?'wp-block-spacer',?true]
    length: 3
    instead saw (4)?[Array(3), Array(3), Array(3), Array(3)]
    0: (3)?['style',?'height:40px',?true]
    1: (3)?['aria-hidden',?'true',?true]
    2: (3)?['id',?'features',?true]
    3: (3)?['class',?'wp-block-spacer',?true]
    length: 4

    This particular case looses an attribute (id) of a spacer object, resulting in loosing any internal navigation.

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  • Hi @kdougas,

    I couldn’t replicate the issue on my end, which suggests it might be specific to your site’s configuration. Please take a look at [this screenshot]. Could you try switching to a default WordPress theme to check if the error persists? This step will help us pinpoint the cause.

    Kind regards,
    Aradhy ??

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