Minecraft wiki entry for Parity_issue_list, associated text: In the section "In Bedrock Edition but not in Java Edition", [until BE (version number)] or [upcoming: JE (version number)] means it will no longer be the case and fixed in the provided version; and [until JE (version number)] or [upcoming: BE (version number)] means that it was in parity before, and no longer is starting from that version.
In the section "In Java Edition but not in Bedrock Edition", [until JE (version number)] or [upcoming: BE (version number)] means it will no longer be the case and fixed in the provided version; and [until BE (version number)] or [upcoming: JE (version number)] means that it was in parity before, and no longer is starting from that version.
In the section "Unsorted", any [upcoming: ] means it will no longer be the case and fixed in the provided version; likewise, any [until ] means that it was in parity before, and no longer is starting from that version.