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I've never really thought about it until now","created_at":"2015-06-05T13:40:29Z","updated_at":"2015-06-05T13:40:29Z","html_url":"https://github.com/Shopify/Timber/pull/429#discussion_r31812826","pull_request_url":"https://api.github.com/repos/Shopify/Timber/pulls/429","_links":{"self":{"href":"https://api.github.com/repos/Shopify/Timber/pulls/comments/31812826"},"html":{"href":"https://github.com/Shopify/Timber/pull/429#discussion_r31812826"},"pull_request":{"href":"https://api.github.com/repos/Shopify/Timber/pulls/429"}}},"pull_request":{"url":"https://api.github.com/repos/Shopify/Timber/pulls/429","id":36961126,"html_url":"https://github.com/Shopify/Timber/pull/429","diff_url":"https://github.com/Shopify/Timber/pull/429.diff","patch_url":"https://github.com/Shopify/Timber/pull/429.patch","issue_url":"https://api.github.com/repos/Shopify/Timber/issues/429","number":429,"state":"open","locked":false,"title":"Rendering performance optimizations, promote-layer 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