Addisu Z. Taddese

## Environment * OS Version: Ubuntu 20.04 * Source or binary build: source, ign-gazebo6 ## Description * Expected behavior: No Error messages when running `INTEGRATION_diff_drive` test * Actual behavior: Gazebo...

👨‍🌾 Add a potential temporary fix for flaky tests on macOS

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# 🦟 Bug fix Relates to #806 ## Summary A potential solution to the problem of flaky tests on macOS is to include all known components in libignition-gazebo.so. I have...

Destruction of GuiRunner's EventManager causes a segfault at exit

1

## Environment * OS Version: Ubuntu 20.04 * Source or binary build? main, b2549dd04078a3f31d43215b8a858d05a2de9565 ## Description * Expected behavior: No segfault at exit * Actual behavior: A segfault occurs when...

## Environment * OS Version: macOS * Source or binary build? ign-gazebo6 ## Description * Expected behavior: Test to pass * Actual behavior: Fails most of the time with a...

## Environment * OS Version: Ubuntu 20.04 * Source or binary build? ign-gazebo5 ## Description * Expected behavior: The rendering engine to be unloaded when `Server` (or more specifically, `RenderUtil`)...

Serialization of nested models fails when nested model pose has "relative_to"

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## Environment * OS Version: * Source or binary build? source, `main`, fa09864f759f4b267b60ca4ea281fb6ce69d2e1a ## Description * Expected behavior: No errors when running a world with nested models * Actual behavior:...

### Bug Report - [x] I checked the [documentation](http://dartsim.github.io/) and the [forum](https://dartsim.discourse.group/) but found no answer. - [x] I checked to make sure that this issue has not already been...

### Bug Report #### Environment * DART version: 6.9.2 and later * OS name and version name(or number): Ubuntu 18.04 * Compiler name and version number: GCC 8.4.0 #### Expected...

WIP: [parsing] Add support for using merge-includes with custom parsed models

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/cc @EricCousineau-TRI --- This change is [](https://reviewable.io/reviews/robotlocomotion/drake/16727)

Currently, `sdf::readXml` is not called on the `` element, so its contents are not validated according to the SDFormat spec. Any unknown elements are silently ignored by the parser except...