Prepare Release v13.5.0

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This PR is a preview of the release that release-plan has prepared. To release you should just merge this PR 👍

---

Release (2026-07-20)

• eslint-plugin-ember 13.5.0 (minor)

🚀 Enhancement

• eslint-plugin-ember
  • #2818 Add no-legacy-computed rule to disallow computed and computed macros (@Copilot)
  • #2820 Add no-legacy-helper-imports rule for Ember 7.1+ with safe autofix (@Copilot)
  • #2816 Add no-test-this-set-get rule for gjs/gts tests (@Copilot)

Committers: 1

• Copilot [Bot] (@copilot-swe-agent)

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🏎️ Benchmark Comparison

	Benchmark	Control (p50)	Experiment (p50)	Δ
🟢	js small	14.93 ms	14.54 ms	-2.6%
🟢	js medium	7.51 ms	7.32 ms	-2.5%
⚪	js large	2.93 ms	2.88 ms	-1.5%
⚪	gjs small	1.27 ms	1.25 ms	-0.9%
⚪	gjs medium	624.40 µs	623.02 µs	-0.2%
⚪	gjs large	249.25 µs	247.14 µs	-0.8%
⚪	gts small	1.24 ms	1.25 ms	+0.2%
⚪	gts medium	623.73 µs	616.53 µs	-1.2%
⚪	gts large	249.54 µs	246.86 µs	-1.1%

🟢 faster · 🔴 slower · 🟠 slightly slower · ⚪ within 2%

Full mitata output

clk: ~1.79 GHz
cpu: AMD EPYC 7763 64-Core Processor
runtime: node 24.18.0 (x64-linux)

benchmark                   avg (min … max) p75 / p99    (min … top 1%)
------------------------------------------- -------------------------------
js small (control)            17.53 ms/iter  19.37 ms   █                  
                      (12.89 ms … 32.37 ms)  27.31 ms ███  ▃ ▃            ▃
                    (  5.34 mb …  10.20 mb)   7.33 mb ███▄▄█▁█▁█▁▁▄▄▁▁▄▁▄▁█

js small (experiment)         15.41 ms/iter  15.96 ms  █                   
                      (13.65 ms … 22.67 ms)  21.35 ms  █▃ ▆                
                    (  6.18 mb …   8.39 mb)   6.89 mb ███▇█▁▇▃▃▁▅▁▁▃▁▁▁▁▁▁▅

                             ┌                                            ┐
                             ╷ ┌───────────┬─────┐                        ╷
          js small (control) ├─┤           │     ├────────────────────────┤
                             ╵ └───────────┴─────┘                        ╵
                               ╷ ┌───┬─┐               ╷
       js small (experiment)   ├─┤   │ ├───────────────┤
                               ╵ └───┴─┘               ╵
                             └                                            ┘
                             12.89 ms           20.10 ms           27.31 ms

summary
  js small (experiment)
   1.14x faster than js small (control)

------------------------------------------- -------------------------------
js medium (control)            8.19 ms/iter   8.49 ms  █                   
                       (7.01 ms … 14.73 ms)  14.67 ms ██▂                  
                    (  2.39 mb …   4.70 mb)   3.56 mb ███▅▆▃▅▁▁▃▁▃▂▁▁▃▁▁▁▁▂

js medium (experiment)         7.86 ms/iter   7.96 ms ▄█                   
                       (6.90 ms … 13.62 ms)  13.46 ms ██▄                  
                    (  2.85 mb …   4.19 mb)   3.54 mb ███▇█▃▄▁▂▂▂▂▁▁▁▁▂▁▂▁▂

                             ┌                                            ┐
                              ╷┌────┬─┐                                   ╷
         js medium (control)  ├┤    │ ├───────────────────────────────────┤
                              ╵└────┴─┘                                   ╵
                             ╷┌────┬                               ╷
      js medium (experiment) ├┤    │───────────────────────────────┤
                             ╵└────┴                               ╵
                             └                                            ┘
                             6.90 ms           10.79 ms            14.67 ms

summary
  js medium (experiment)
   1.04x faster than js medium (control)

------------------------------------------- -------------------------------
js large (control)             3.37 ms/iter   3.05 ms ▂█                   
                        (2.76 ms … 9.33 ms)   8.10 ms ██                   
                    (514.27 kb …   2.91 mb)   1.46 mb ██▃▂▂▂▂▁▁▁▂▁▂▂▁▁▁▂▁▁▁

js large (experiment)          3.19 ms/iter   3.05 ms  █                   
                        (2.69 ms … 7.82 ms)   5.88 ms  █                   
                    (224.46 kb …   2.67 mb)   1.44 mb ▅█▃▂▃▂▂▂▁▂▁▁▂▂▁▁▁▁▂▁▂

                             ┌                                            ┐
                              ┌────┬                                      ╷
          js large (control)  │    │──────────────────────────────────────┤
                              └────┴                                      ╵
                             ╷┌──┬                      ╷
       js large (experiment) ├┤  │──────────────────────┤
                             ╵└──┴                      ╵
                             └                                            ┘
                             2.69 ms            5.40 ms             8.10 ms

summary
  js large (experiment)
   1.06x faster than js large (control)

------------------------------------------- -------------------------------
gjs small (control)            1.40 ms/iter   1.39 ms █                    
                        (1.21 ms … 5.90 ms)   5.26 ms █▃                   
                    (218.20 kb …   1.62 mb)   1.06 mb ██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

gjs small (experiment)         1.37 ms/iter   1.28 ms █                    
                        (1.21 ms … 5.92 ms)   5.01 ms █                    
                    (216.23 kb …   1.78 mb)   1.06 mb █▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ┌─┬                                          ╷
         gjs small (control) │ │──────────────────────────────────────────┤
                             └─┴                                          ╵
                             ┌─┬                                       ╷
      gjs small (experiment) │ │───────────────────────────────────────┤
                             └─┴                                       ╵
                             └                                            ┘
                             1.21 ms            3.23 ms             5.26 ms

summary
  gjs small (experiment)
   1.03x faster than gjs small (control)

------------------------------------------- -------------------------------
gjs medium (control)         668.77 µs/iter 643.36 µs ██                   
                      (591.01 µs … 5.35 ms)   1.86 ms ██                   
                    (  6.35 kb …   1.68 mb) 540.88 kb ██▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

gjs medium (experiment)      665.38 µs/iter 638.12 µs  █                   
                      (590.41 µs … 5.47 ms)   1.19 ms  █▃                  
                    (178.66 kb …   1.11 mb) 540.63 kb ███▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ╷┌─┬                                         ╷
        gjs medium (control) ├┤ │─────────────────────────────────────────┤
                             ╵└─┴                                         ╵
                             ╷┌─┬                 ╷
     gjs medium (experiment) ├┤ │─────────────────┤
                             ╵└─┴                 ╵
                             └                                            ┘
                             590.41 µs           1.23 ms            1.86 ms

summary
  gjs medium (experiment)
   1.01x faster than gjs medium (control)

------------------------------------------- -------------------------------
gjs large (control)          276.09 µs/iter 265.80 µs  █▃                  
                      (237.82 µs … 4.98 ms) 359.62 µs  ██                  
                    (216.10 kb … 808.83 kb) 217.33 kb ▇██▆▅█▇▃▂▂▂▁▁▁▁▁▁▁▁▁▁

gjs large (experiment)       270.97 µs/iter 264.12 µs  █                   
                      (236.54 µs … 4.87 ms) 388.57 µs ▃█▂ ▂                
                    (215.70 kb …   1.07 mb) 216.88 kb ███▄█▅▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ╷ ┌─────────┬                       ╷
         gjs large (control) ├─┤         │───────────────────────┤
                             ╵ └─────────┴                       ╵
                             ╷┌────────┬                                  ╷
      gjs large (experiment) ├┤        │──────────────────────────────────┤
                             ╵└────────┴                                  ╵
                             └                                            ┘
                             236.54 µs         312.56 µs          388.57 µs

summary
  gjs large (experiment)
   1.02x faster than gjs large (control)

------------------------------------------- -------------------------------
gts small (control)            1.35 ms/iter   1.27 ms █                    
                        (1.20 ms … 6.26 ms)   5.19 ms █                    
                    (371.41 kb …   1.76 mb)   1.06 mb █▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

gts small (experiment)         1.35 ms/iter   1.27 ms █                    
                        (1.21 ms … 6.20 ms)   5.15 ms █                    
                    (220.06 kb …   2.12 mb)   1.05 mb █▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ┌─┬                                          ╷
         gts small (control) │ │──────────────────────────────────────────┤
                             └─┴                                          ╵
                             ┌─┬                                          ╷
      gts small (experiment) │ │──────────────────────────────────────────┤
                             └─┴                                          ╵
                             └                                            ┘
                             1.20 ms            3.19 ms             5.19 ms

summary
  gts small (experiment)
   1x faster than gts small (control)

------------------------------------------- -------------------------------
gts medium (control)         665.65 µs/iter 639.33 µs  █                   
                      (590.83 µs … 5.12 ms)   1.30 ms ▂█                   
                    (310.95 kb …   1.59 mb) 541.79 kb ██▇▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

gts medium (experiment)      660.86 µs/iter 633.07 µs  █                   
                      (586.62 µs … 4.86 ms)   1.65 ms ▇█                   
                    (292.38 kb …   1.38 mb) 541.23 kb ██▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ╷┌─┬                          ╷
        gts medium (control) ├┤ │──────────────────────────┤
                             ╵└─┴                          ╵
                             ╷┌─┬                                         ╷
     gts medium (experiment) ├┤ │─────────────────────────────────────────┤
                             ╵└─┴                                         ╵
                             └                                            ┘
                             586.62 µs           1.12 ms            1.65 ms

summary
  gts medium (experiment)
   1.01x faster than gts medium (control)

------------------------------------------- -------------------------------
gts large (control)          271.03 µs/iter 264.62 µs  █                   
                      (237.03 µs … 4.46 ms) 336.77 µs  █▅▅                 
                    (175.78 kb …   1.06 mb) 217.01 kb ▅███▄▅█▅▅▂▂▁▁▁▁▁▁▁▁▁▁

gts large (experiment)       270.53 µs/iter 263.55 µs  █                   
                      (236.38 µs … 6.18 ms) 326.15 µs  ██▃                 
                    ( 94.59 kb … 666.80 kb) 216.57 kb ▆███▄▃█▆▅▃▂▂▁▂▁▁▁▁▁▁▁

                             ┌                                            ┐
                             ╷  ┌────────────┬                            ╷
         gts large (control) ├──┤            │────────────────────────────┤
                             ╵  └────────────┴                            ╵
                             ╷ ┌────────────┬                        ╷
      gts large (experiment) ├─┤            │────────────────────────┤
                             ╵ └────────────┴                        ╵
                             └                                            ┘
                             236.38 µs         286.58 µs          336.77 µs

summary
  gts large (experiment)
   1x faster than gts large (control)