From 293f76171eaa24041ab74bdae9e0cc01c8c41da4 Mon Sep 17 00:00:00 2001
From: shim-flounce <121665773+shim-flounce@users.noreply.github.com>
Date: Wed, 15 Feb 2023 15:06:19 +0000
Subject: [PATCH] [core] fix(Collapse): fix `aria-hidden`

This fixes regression introduced in #5926 where if `keepChildrenMounted` is set, `aria-hidden` no longer updates correctly.
---
 packages/core/src/components/collapse/collapse.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/src/components/collapse/collapse.tsx b/packages/core/src/components/collapse/collapse.tsx
index 4023d1da85..e9b82dc5e2 100644
--- a/packages/core/src/components/collapse/collapse.tsx
+++ b/packages/core/src/components/collapse/collapse.tsx
@@ -208,7 +208,7 @@ export class Collapse extends AbstractPureComponent2<CollapseProps, ICollapseSta
                 className={Classes.COLLAPSE_BODY}
                 ref={this.contentsRefHandler}
                 style={contentsStyle}
-                aria-hidden={!shouldRenderChildren}
+                aria-hidden={!isContentVisible}
             >
                 {shouldRenderChildren ? this.props.children : null}
             </div>,