GitLab

A QWebEngineProfile must exist longer, than a QWebEnginePage using it.
The page is now explicitly deleted before the profile.

BUG: 402026
(cherry picked from commit 7419d27c)

Summary:
- The documentation view may use QWebEngine, which is based on
  Chromium, which installs its own signals handlers. This breaks
  the use of KCrash.
- Overriding the signal handlers can be prevented by setting an
  environment variable before the use, just like in D16004.

Test Plan:
- open a documentation page in KDevelop
- kill SIGABRT KDevelop -> DrKonqi shows up

Reviewers: #kdevelop, apol

Reviewed By: #kdevelop, apol

Subscribers: kdevelop-devel

Tags: #kdevelop

Differential Revision: https://phabricator.kde.org/D16188

Introspection data useful e.g. in debugging, so default to using it

BUG:386929
FIXED-IN:5.2.1

Summary:
QT_USE_QSTRINGBUILDER is the official successor for
QT_USE_FAST_OPERATOR_PLUS & QT_USE_FAST_CONCATENATION, extending coverage to QByteArray.

Test Plan: Builds, local tests fail as before, used for few days without issues.

Reviewers: #kdevelop, kfunk

Reviewed By: #kdevelop, kfunk

Subscribers: kdevelop-devel

Differential Revision: https://phabricator.kde.org/D7687