drop support for Coq 8.11

.gitlab-ci.yml

@@ -50,11 +50,6 @@ build-coq.8.12.2:
     OPAM_PINS: "coq version 8.12.2"
     DENY_WARNINGS: "1"
 
-build-coq.8.11.2:
-  <<: *template
-  variables:
-    OPAM_PINS: "coq version 8.11.2"
-
 # Nightly job with a known-to-work Coq version
 # (so failures must be caused by std++)
 build-stdpp.dev-coq.8.13.1:

CHANGELOG.md

@@ -5,6 +5,8 @@ lemma.
 
 ## Iris master
 
+Coq 8.11 is no longer supported in this version of Iris.
+
 **Changes in `algebra`:**
 
 * Generalize the authorative elements of the `view`, `auth` and `gset_bij`

README.md

@@ -30,11 +30,13 @@ Importing Iris has some side effects as the library sets some global options.
 
 This version is known to compile with:
 
- - Coq 8.11.2 / 8.12.2 / 8.13.1
+ - Coq 8.12.2 / 8.13.1
  - A development version of [std++](https://gitlab.mpi-sws.org/iris/stdpp)
 
 If you need to work with Coq 8.9 or Coq 8.10, you can use the
 [iris-3.3 branch](https://gitlab.mpi-sws.org/iris/iris/tree/iris-3.3).
+For a version compatible with Coq 8.11, check out the
+[iris-3.4 branch](https://gitlab.mpi-sws.org/iris/iris/tree/iris-3.4).
 
 ### Working *with* Iris
 

coq-iris.opam

@@ -13,7 +13,7 @@ iris.prelude, iris.algebra, iris.si_logic, iris.bi, iris.proofmode, iris.base_lo
 """
 
 depends: [
-  "coq" { (>= "8.11" & < "8.14~") | (= "dev") }
+  "coq" { (>= "8.12" & < "8.14~") | (= "dev") }
   "coq-stdpp" { (= "dev.2021-03-23.0.c1266011") | (= "dev") }
 ]