Add a blurb

encukou · encukou · commit c97b602b6b82 · 2023-01-23T12:30:29.000+01:00
diff --git a/Misc/NEWS.d/next/C API/2022-04-21-17-25-22.gh-issue-91744.FgvaMi.rst b/Misc/NEWS.d/next/C API/2022-04-21-17-25-22.gh-issue-91744.FgvaMi.rst
@@ -0,0 +1,3 @@
+Introduced the *Unstable C API tier*, marking APi that is allowed to change
+in minor releases without a deprecation period.
+See :pep:`689` for details.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+Introduced the Unstable C API tier, marking APi that is allowed to change`
	`2`	`+in minor releases without a deprecation period.`
	`3`	+See :pep:`689` for details.