New leaks and speculation from leakers seem to suggest that Sumeru will come out on Genshin Impact 3.0 right after the 2.8 update.
A recent Reddit post on some data of a Chinese Test Dispatch Server has become quite popular as of late. The post comes from Genshin Impact Leaks Reddit, although there are some things worth mentioning:
The rest of this article will merely mention some aspects of this leak and some Redditors' speculation while leaving it to the reader to judge if it's accurate or not.
The data in the second image above seems to indicate that there is no Genshin Impact 2.9. Certain aspects of it are out of order, and listing some technical data doesn't provide much context for Sumeru being in the 3.0 update. However, there is an important Reddit comment by the OP of that thread.
There are several interesting topics of note here, some of which pertain to Sumeru (due to Dendro being the element of the Archon there). Those topics are:
If The Chasm appears in 2.7 and the Golden Apple Archipelago reappears in 2.8, then it's unlikely that another new region (Sumeru) will appear in those updates.
Several Redditors speculated in that thread regarding when Sumeru's release date will be. Based on the current 42-day cycle for Genshin Impact versions, that would mean the 3.0 update should come out on August 3, 2022 (assuming nothing changes).
One comment below displays an example of the upcoming update schedule if miHoYo adheres to its current schedule.
Genshin Impact 2.0 introduced Inazuma and Chapter II of the Archon Quest, so there is some precedence of major new locations appearing at the start of a new major update starting with a new number in front of the decimal.
Another leaker (Uncle Pikachu) stated that Sumeru would come
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