Cannot change the linewidth of a single plot

[Vilin97]

Details

Cannot change the linewidth of a single plot but can change the linewidth of multiple plots.

using Plots
plt = plot(1:5)
plot(plt, lw=10) # linewidth does not change
plot([plt,plt]..., lw=1) # linewidth changes

Backends

This bug occurs on ( insert x below )

Backend	yes	no	untested
gr (default)	x
pythonplot			x
plotlyjs			x
pgfplotsx			x
unicodeplots			x
inspectdr			x
gaston			x

Versions

Plots.jl version:
Backend version (]st -m <backend(s)>): GR v0.72.10
Output of versioninfo():

Julia Version 1.10.0-rc1
Commit 5aaa9485436 (2023-11-03 07:44 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  CPU: 80 × Intel(R) Xeon(R) CPU E5-2698 v4 @ 2.20GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-15.0.7 (ORCJIT, broadwell)
  Threads: 1 on 80 virtual cores
Environment:
  JULIA_EDITOR = code
  JULIA_NUM_THREADS = 

[BeastyBlacksmith]

These two should work:

using Plots
plt = plot(1:5)
plot!(plt, lw=10) 
plot([plt,plt]..., lw=1, subplot=1 )