Kareem Farid

### Description OR got updated to use threads for `repair_antennas` and `check_antennas` ### Proposal Update OR and add this feature.

Blackbox macros in magic/KLayout DRC

1

### Description Title ### Proposal Can't think of anything yet.

### Description Steps in OpenLane can be dynamically skipped. For example: ``` No CLOCK_NET (or CLOCK_PORT) specified. CTS cannot be performed. Returning state unaltered… ``` However, it is not that...

Fix infinite def write

5

I think `.def_part` is resolved to `.def` resulting in infinite write behavior. This renames the partial file `.._part.def` avoiding the infinite loop while writing def. I am not sure however...

### Description I believe `set_propagated_clock` was meant to be only used inside SDC file and not generally forced inside OR tcl scripts. However, the command is still used in some...

Synthesis corner

2

Resolves https://github.com/efabless/openlane2/issues/546

### Description Title. ### Proposal _No response_

Better antenna repair

1

### Description Currently antenna repair is run based on data from global routing. OR should support running antenna repair post detail routing which is in theory more accurate. ### Proposal...

Add test case for proper sta spef annotation

1

## Testing * Add a test case for hier spef annotation with OpenSTA --- Depends on https://github.com/efabless/openlane2-step-unit-tests/pull/38 Resolves https://github.com/efabless/openlane2/issues/547

Warning in the PDK LEF files

3

### Description ``` LEF58_ENCLOSURE with no CUTCLASS is not supported. Skipping for layer mcon ``` ### Expected Behavior No warning ### Environment report ```sh N/A ``` ### Reproduction material Run...