From 6dd040912a632881e0cc8c5ac281b6688075a42f Mon Sep 17 00:00:00 2001
From: James Daniels <jamesdaniels@google.com>
Date: Wed, 5 Feb 2020 21:16:59 -0800
Subject: [PATCH 1/4] Removing the problematic share from the zone.js changes

---
 src/core/angularfire2.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/core/angularfire2.ts b/src/core/angularfire2.ts
index 39c0c1b2d..ce1430757 100644
--- a/src/core/angularfire2.ts
+++ b/src/core/angularfire2.ts
@@ -90,8 +90,9 @@ export function ɵkeepUnstableUntilFirstFactory(
       // Run the subscribe body outside of Angular (e.g. calling Firebase SDK to add a listener to a change event)
       subscribeOn(schedulers.outsideAngular),
       // Run operators inside the angular zone (e.g. side effects via tap())
-      observeOn(schedulers.insideAngular),
-      share()
+      observeOn(schedulers.insideAngular)
+      // This isn't working correctly #2309, #2314, #2312
+      // share()
     );
   }
 }

From a5d081b2dc2a419ce5a2cd3e41a1b88f115383d0 Mon Sep 17 00:00:00 2001
From: James Daniels <jamesdaniels@google.com>
Date: Wed, 5 Feb 2020 21:32:05 -0800
Subject: [PATCH 2/4] Build v5

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index c350d34cc..f6c0c9561 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,7 @@ matrix:
 branches:
   only:
     - master # otherwise pull requests get built twice
+    - v5
 
 install:
   - |

From f32a5fafbad9bf60fc99c6634411827035c185ec Mon Sep 17 00:00:00 2001
From: James Daniels <jamesdaniels@google.com>
Date: Wed, 5 Feb 2020 21:35:16 -0800
Subject: [PATCH 3/4] Changelog entry

---
 CHANGELOG.md | 9 +++++++++
 package.json | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8e1dd49f..4d28cd125 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+<a name="5.4.2"></a>
+## [5.4.2](https://github.com/angular/angularfire2/compare/5.4.1...5.4.2) (2020-02-06)
+
+
+### Bug Fixes
+
+* **core:** fixing a problem with hot/cold observables resulting in missed events ([#2315](https://github.com/angular/angularfire2/issues/2315)) ([6dd0409](https://github.com/angular/angularfire2/commit/6dd0409))
+
+
 <a name="5.4.1"></a>
 ## [5.4.1](https://github.com/angular/angularfire2/compare/5.4.0...5.4.1) (2020-02-05)
 
diff --git a/package.json b/package.json
index d71f62dff..0335258e0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular/fire",
-  "version": "5.4.1",
+  "version": "5.4.2",
   "description": "The official library of Firebase and Angular.",
   "private": true,
   "scripts": {

From ce8c4518b254b9c977f33a23861eb0ffc3d8f2ef Mon Sep 17 00:00:00 2001
From: James Daniels <jamesdaniels@google.com>
Date: Wed, 5 Feb 2020 21:41:02 -0800
Subject: [PATCH 4/4] Dropping the cache and matrix from travis, as I have in
 master

---
 .travis.yml | 28 +---------------------------
 1 file changed, 1 insertion(+), 27 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index f6c0c9561..a214e9198 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,38 +6,12 @@ node_js:
 addons:
   chrome: stable
 
-cache:
-  yarn: true
-  directories:
-    - node_modules
-    - "$HOME/.npm"
-    - "$HOME/.cache"
-
-env:
-  - CANARY=false
-  - CANARY=true
-
-matrix:
-  fast_finish: true
-  allow_failures:
-    - env: CANARY=true
-
 branches:
   only:
     - master # otherwise pull requests get built twice
     - v5
 
-install:
-  - |
-    if $CANARY; then
-      yarn upgrade && yarn add firebase@canary
-    else
-      if [ "$TRAVIS_BRANCH" = "master" -a "$TRAVIS_PULL_REQUEST" = "false" ]; then
-        yarn upgrade
-      else
-        yarn install --frozen-lockfile
-      fi
-    fi
+install: yarn install --frozen-lockfile
 
 script:
   - yarn build