From aa6e81e8e3e88d4034ace26005dc6f6973788d5a Mon Sep 17 00:00:00 2001
From: Constantinos Giachalis <cgiachalis@outlook.com>
Date: Wed, 14 Jan 2026 11:20:36 +0200
Subject: [PATCH 1/4] 'application/problem+json' works with
 `last_response_json()`

closes #782
---
 R/last.R | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/R/last.R b/R/last.R
index 625d5d01..15f317f7 100644
--- a/R/last.R
+++ b/R/last.R
@@ -61,7 +61,9 @@ last_response_json <- function(pretty = TRUE) {
   if (is.null(resp)) {
     cli::cli_abort("No request has been made successfully yet.")
   }
-  if (!identical(resp_content_type(resp), "application/json")) {
+  content_type <- resp_content_type(resp)
+  if (!(identical(content_type, "application/json") ||
+      identical(content_type, "application/problem+json"))) {
     cli::cli_abort("Last response doesn't have a JSON body.")
   }
   httr2_json(resp_body_string(resp), pretty = pretty)

From eba268526c1dc20f4b94668c90542febb5f09f4c Mon Sep 17 00:00:00 2001
From: Constantinos Giachalis <cgiachalis@outlook.com>
Date: Wed, 14 Jan 2026 19:19:14 +0200
Subject: [PATCH 2/4] code review: use `check_content_type()`

---
 R/last.R                      | 11 ++++++-----
 tests/testthat/_snaps/last.md |  3 ++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/R/last.R b/R/last.R
index 15f317f7..c57beb14 100644
--- a/R/last.R
+++ b/R/last.R
@@ -61,11 +61,12 @@ last_response_json <- function(pretty = TRUE) {
   if (is.null(resp)) {
     cli::cli_abort("No request has been made successfully yet.")
   }
-  content_type <- resp_content_type(resp)
-  if (!(identical(content_type, "application/json") ||
-      identical(content_type, "application/problem+json"))) {
-    cli::cli_abort("Last response doesn't have a JSON body.")
-  }
+  check_content_type(
+    resp_content_type(resp),
+    valid_types = "application/json",
+    valid_suffix = "json",
+    inform_check_type = TRUE
+  )
   httr2_json(resp_body_string(resp), pretty = pretty)
 }
 
diff --git a/tests/testthat/_snaps/last.md b/tests/testthat/_snaps/last.md
index a8da3918..90957b31 100644
--- a/tests/testthat/_snaps/last.md
+++ b/tests/testthat/_snaps/last.md
@@ -35,7 +35,8 @@
       last_response_json()
     Condition
       Error in `last_response_json()`:
-      ! Last response doesn't have a JSON body.
+      ! Unexpected content type "application/xml".
+      * Expecting type "application/json" or suffix "json".
 
 # useful errors if no last request/response
 

From f80bfc32cba22d395cef25d593c07c0ba0f581d8 Mon Sep 17 00:00:00 2001
From: Constantinos Giachalis <cgiachalis@outlook.com>
Date: Wed, 14 Jan 2026 20:00:10 +0200
Subject: [PATCH 3/4] Update NEWS.md

---
 NEWS.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index e2e85e4c..21423082 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,10 @@
 # httr2 (development version)
 
+## Minor improvements and bug fixes
+
+* `last_response_json()` now works with content-types that end with `+json`, 
+e.g., `application/problem+json` (@cgiachalis, #782).
+
 # httr2 1.2.2
 
 * httr2 will now emit OpenTelemetry traces for all requests when tracing is enabled. Requires the `otelsdk` package (@atheriel, #729).

From a7ab6dabda46056c4e9b5434bca9bc1041f305e9 Mon Sep 17 00:00:00 2001
From: Constantinos Giachalis <cgiachalis@outlook.com>
Date: Wed, 14 Jan 2026 21:04:18 +0200
Subject: [PATCH 4/4] remove heading [ci skip]

---
 NEWS.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/NEWS.md b/NEWS.md
index 21423082..db15ae62 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,7 +1,5 @@
 # httr2 (development version)
 
-## Minor improvements and bug fixes
-
 * `last_response_json()` now works with content-types that end with `+json`, 
 e.g., `application/problem+json` (@cgiachalis, #782).