Issue: SPR-16225

Issue: SPR-16217

(cherry picked from commit 08c95fbc)

Issue: SPR-16219

(cherry picked from commit 08c78554)

Closes gh-1601

Issue: SPR-16215

Issue: SPR-16213

(cherry picked from commit 84699c8b)

(cherry picked from commit 20fcefc6)

With the recent charset mechanism in place, we cannot rely on implicit placeholder parsing during String-to-Resource conversion anymore.

(cherry picked from commit 7af99102)

Issue: SPR-16162

Issue: SPR-16185

Issue: SPR-16162

Issue: SPR-16165

Issue: SPR-16154

Issue: SPR-16132

Issue: SPR-16191

(cherry picked from commit c30145d6)

Issue: SPR-16179

(cherry picked from commit e2bb06ed)

Issue: SPR-16177

(cherry picked from commit 3091feee)

Issue: SPR-16173

(cherry picked from commit de782026)

Issue: SPR-16142

(cherry picked from commit a5da05c3)

Includes consistent getDateHeader results in both MockHttpServletResponse variants (spring-test and spring-web)

Issue: SPR-16160

(cherry picked from commit 80a0cf71)

Issue: SPR-16138

(cherry picked from commit 0edf4d65)

AbstractApplicationContext silently ignores non-initialized ApplicationEventMulticaster/LifecycleProcessor on destruction

Issue: SPR-16149

(cherry picked from commit 1611ce71)

Issue: SPR-16146

(cherry picked from commit d00e4f17)

This commit adds support for configuring static resource locations
with a charset to be applied to relative paths.

This is a limited backport of commit #e0678b mainly providing the fix without
exposing the onError callbacks.

Issue: SPR-16058

Issue: SPR-16111

Issue: SPR-16122

(cherry picked from commit 419b4440)

Issue: SPR-16117

(cherry picked from commit a2f5e125)

(cherry picked from commit 7e8c8f0b)

Issue: SPR-16108

Issue: SPR-16107

(cherry picked from commit 9efdadcd)