Closes gh-16060

* pr/16046:
  Polish "Fix NullPointerException with empty X-Forwarded-For header"
  Fix NullPointerException with empty X-Forwarded-For header

Closes gh-16046

See gh-16046

* pr/16027:
  Polish "Add `jaxb-runtime` to TldSkipPatterns"
  Add `jaxb-runtime` to TldSkipPatterns

Closes gh-16027

See gh-16027

* pr/16059:
  Remove unused constructor argument

Closes gh-16059

* pr/16015:
  Polish "Add failure analyzer for Flyway's bootstrap failure"
  Add failure analyzer for Flyway's bootstrap failure

Closes gh-16015

See gh-16015

* pr/16054:
  Fix a colon format

Closes gh-16054

* pr/15978:
  Polish contribution
  Add an example showing how to use Spring REST Docs with WebTestClient

Closes gh-15978

See gh-15978

* pr/16047:
  Polish contribution
  Fix NamedParameterJdbcTemplate precedence with database migration tools

Closes gh-16047

See gh-16047

* pr/16018:
  Polish "Debug mode is not logging web and sql related loggers"
  Debug mode is not logging web and sql related loggers

Closes gh-16018

See gh-16018

* pr/16013:
  Polish "Remove code deprecated in 2.1"
  Remove code deprecated in 2.1

Closes gh-16013

See gh-16013

* pr/16005:
  Polish "Update instructions on how to use JAXB as XML renderer"
  Update instructions on how to use JAXB as XML renderer

Closes gh-16005