Blocks no longer Fire "after render"events.

[astorm]

The core_block_abstract_to_html_after event was removed from

app/code/core/Mage/Core/Block/Abstract.php

It looks like this changed occurred between the 9de2223 and 3330e25 commits, but there was no specific mention of why this event was removed.

If possible, can this event be restored? I've got a few extensions (both commercial and open source) that rely on it.

[magento-team]

The event core_block_abstract_to_html_after has been replaced by core_layout_render_element
Where the former was triggered in Mage_Core_Block_Abstract after rendering HTML, while the latter is triggered from Mage_Core_Model_Layout after rendering any element -- regardless of it is a block or container. The principal difference between these events are that the block instance is not available anymore, but it is replaced by name of an element in layout.

We're sorry that we missed to update this in documentation. We'll ask technical writers to update the public wiki space accordingly.