drop support for Coq 8.13

.gitlab-ci.yml

@@ -72,17 +72,10 @@ build-coq.8.15.2:
     DENY_WARNINGS: "1"
 
 build-coq.8.14.1:
-  <<: *template
-  variables:
-    OPAM_PINS: "coq version 8.14.1"
-    DENY_WARNINGS: "1"
-    OCAML: "ocaml-base-compiler.4.07.1"
-
-build-coq.8.13.2:
   <<: *template
   <<: *branches_and_mr
   variables:
-    OPAM_PINS: "coq version 8.13.2"
+    OPAM_PINS: "coq version 8.14.1"
     DENY_WARNINGS: "1"
     OCAML: "ocaml-base-compiler.4.07.1"
 

CHANGELOG.md

@@ -5,6 +5,8 @@ lemma.
 
 ## Iris master
 
+Coq 8.13 is no longer supported.
+
 **Changes in `algebra`:**
 
 * Add (basic) support for `gset` and `gset_disj` cameras to `set_solver`.

README.md

@@ -30,7 +30,7 @@ Importing Iris has some side effects as the library sets some global options.
 
 This version is known to compile with:
 
- - Coq 8.13.2 / 8.14.1 / 8.15.2 / 8.16.1
+ - Coq 8.14.1 / 8.15.2 / 8.16.1
  - A development version of [std++](https://gitlab.mpi-sws.org/iris/stdpp)
 
 Generally we always aim to support at least the last two stable Coq releases.