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Add support for the RyuSim simulator

Status: Open.

#5629 In cocotb/cocotb;

· stonelyd opened on Jun 16, 2026

Performance of Task Lists

category:codebase:schedulerrelating to cocotb's coroutine schedulerrelating to cocotb's coroutine scheduler

category:performanceperformance topicsperformance topics

Status: Open.

#5622 In cocotb/cocotb;

· ktbarrett opened on Jun 15, 2026

resolve() semantic improvement

category:codebase:typesRelated to modelling typesRelated to modelling types

type:changeAn API breaking changeAn API breaking change

Status: Open.

#5611 In cocotb/cocotb;

· ktbarrett opened on Jun 13, 2026

Event not triggerd when Event.set() , Event.wait() called at same time step. But works fine in cocotb 1.9.

Status: Open.

#5594 In cocotb/cocotb;

· aqeelmahroof opened on Jun 5, 2026

Set name of generated waveform file

category:codebase:runnersrelating to building with Python Runnersrelating to building with Python Runners

type:featurenew or enhanced functionalitynew or enhanced functionality

Status: Open.

#5544 In cocotb/cocotb;

· georgmagne opened on Apr 21, 2026

·  

2.2

Move simulator-specific VPI/VHPI loading detail into cocotb-config script

category:codebase:gpirelating to the GPI or one of the implementations. Not for issues with being able to map handles.relating to the GPI or one of the implementations. Not for issues with being able to map handles.

type:cleanupcleanup or refactoring on code, documentation, or other areascleanup or refactoring on code, documentation, or other areas

Status: Open.

#5521 In cocotb/cocotb;

· ktbarrett opened on Apr 13, 2026

Make simulation version objects useful

category:cicontinuous integration and unit testscontinuous integration and unit tests

good first issuethis issue is a good starting point for new contributors. The issue should give an actionable descrithis issue is a good starting point for new contributors. The issue should give an actionable descri

type:featurenew or enhanced functionalitynew or enhanced functionality

Status: Open.

#5520 In cocotb/cocotb;

· ktbarrett opened on Apr 13, 2026

Remove RPATH and side-by-side assemblies

category:codebase:gpirelating to the GPI or one of the implementations. Not for issues with being able to map handles.relating to the GPI or one of the implementations. Not for issues with being able to map handles.

type:cleanupcleanup or refactoring on code, documentation, or other areascleanup or refactoring on code, documentation, or other areas

Status: Open.

#5515 In cocotb/cocotb;

· ktbarrett opened on Apr 13, 2026

·  

2.2

RuntimeError: Task was cancelled, but exited normally when @resume task is killed during simulation teardown

category:codebase:schedulerrelating to cocotb's coroutine schedulerrelating to cocotb's coroutine scheduler

type:buga bug in existing functionalitya bug in existing functionality

Status: Open.

#5512 In cocotb/cocotb;

· LewisLiuLiuLiu opened on Apr 12, 2026

API for checking if GPI logger is active at a given level

category:codebase:gpirelating to the GPI or one of the implementations. Not for issues with being able to map handles.relating to the GPI or one of the implementations. Not for issues with being able to map handles.

category:performanceperformance topicsperformance topics

type:featurenew or enhanced functionalitynew or enhanced functionality

Status: Open.

#5510 In cocotb/cocotb;

· ktbarrett opened on Apr 11, 2026

Feed information back to the Runner

category:codebase:runnersrelating to building with Python Runnersrelating to building with Python Runners

type:featurenew or enhanced functionalitynew or enhanced functionality

Status: Open.

#5503 In cocotb/cocotb;

· ktbarrett opened on Apr 9, 2026

Change default build directory

category:codebase:runnersrelating to building with Python Runnersrelating to building with Python Runners

type:changeAn API breaking changeAn API breaking change

Status: Open.

#5501 In cocotb/cocotb;

· ktbarrett opened on Apr 9, 2026