Developer credits
Git commits in Moodle 3.5.3 by Michelle Melton
commit 5e1b7e4d2827e33cc388e19cf4bbdbc81eeb68b9 Author: Michelle Melton <meltonml@appstate.edu> Date: Tue, 28 Aug 2018 03:06:48 +0800 Tag: v3.5.3 MDL-63215 block_rss_client: Escaping tags in RSS entries