diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45182bce..a3f8885e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,12 +36,18 @@ jobs:
     - run: make
     - run: make check
 
-  centos:
+  containers:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image: ["quay.io/centos/centos:stream8",
+                "quay.io/centos/centos:stream9",
+                "fedora:latest",
+                "fedora:rawhide"]
     container:
-      image: quay.io/centos/centos:stream9
+      image: ${{ matrix.image }}
     steps:
-      - run: dnf update -y && dnf install -y autoconf make expat-devel openssl-devel krb5-devel libtool
+      - run: dnf update -y && dnf install -y autoconf make expat-devel openssl-devel krb5-devel libtool zlib-devel
       - uses: actions/checkout@v3
       - run: ./autogen.sh
       - run: ./configure --with-ssl=openssl --with-expat --enable-debug --with-gssapi
diff --git a/NEWS b/NEWS
index 60969d14..85b9950a 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ Changes in release 0.33.0:
  - ne_request.h: ne_request_create() takes a "target" rather
    than a path and this can also be an absolute-URI
  - ne_request.h: never-used ne_free_hooks typedef removed
+ - ne_dates.h: clarified error cases (behaviour unchanged)
 * New interfaces and features:
  - added new configure flag --enable-auto-libproxy which enables
    libproxy by default for new sessions (Jan-Michael Brummer)
@@ -16,10 +17,16 @@ Changes in release 0.33.0:
  - ne_request.h: add ne_add_interim_handler() to handle interim
    (1xx) responses; headers in interim responses are now accessible
  - ne_basic.h: add ne_putbuf()
+ - ne_strhash: SHA-512/256 now supported for LibreSSL 3.8+ (orbea)
 * Bug fixes:
  - test suite now works correctly on IPv6-only hosts (Jeremy Sowden)
  - fixes for building against LibreSSL (orbea)
- - retry request after a 408 response on a persisted connection
+ - ne_uri_parse() fixes for handling URI with no path and catch
+   some invalid URIs which were allowed (fasticc)
+ - retry requests after a 408 response on a persisted connection
+ - 207 error strings are cleaned and compressed to a single line
+ - fixed thread-safety in ne_rfc1123_date where gmtime_r is available
+ - ne_lock_refresh() fixed to use a non-idempotent request
 
 Changes in release 0.32.5:
 * NOTE: Since 0.32.0 the "$KRB5_CONFIG" environment variable is ignored
diff --git a/src/ne_dates.c b/src/ne_dates.c
index 0835aa9c..b1030ac3 100644
--- a/src/ne_dates.c
+++ b/src/ne_dates.c
@@ -104,7 +104,6 @@ char *ne_rfc1123_date(time_t anytime) {
     char *ret;
 
 #ifdef HAVE_GMTIME_R
-#warning fish
     if ((rv = gmtime_r(&anytime, &gmt)) == NULL)
         return NULL;
 #else