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Wireframe not updating after applying subsurf
Open, Confirmed, MediumPublic

Description

System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 950M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.36

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-26 09:51, hash: rB62338abde433
Worked: 2.79 official release

Short description of error
Wireframe doesn't update in viewport after applying subsurf with optimal display enabled.

Exact steps for others to reproduce the error
1: Add suburf modifier to default cube
2: Make viewport setting to like 4
3: Enable wireframe and all edges
4: Enable "Optimal Display" on subsurf modifier
5: Apply modifier

Can enter edit mode and then back to object mode to update wireframe.

Details

Type
Bug

Event Timeline

I made a test file:

Sybren A. Stüvel (sybren) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.Jul 31 2019, 12:59 PM

Confirmed on current master (03f652b2c1fc7de685185190ff95bdd240540388).

I tried adding WM_event_add_notifier(C, NC_GEOM | ND_DATA, ob->data); and DEG_id_tag_update((ID *)ob->data, ID_RECALC_GEOMETRY); to the modifier_apply_exec() function, but that didn't solve it. You can even switch between Rendered/Solid/LookDev/Wireframe, or enable/disable drawing of overlays, and it'll still keep drawing the "Optimal Display" subdivision view.