Steps to reproduce:
1. Open User-supplied project.
2. Run the project and start pressing the white buttons continuously.
3. Watch the Profiler window in the "Memory" section.

Expected: its memory usage does not increase.
Actual: its memory usage does not increase over time.

Reproduced in: 2017.4.30f1
Not reproduced in: 2017.4.0f1*, 2018.1.9f2*, 2018.4.4f1*, 2019.1.10f1, 2019.2.0b9, 2019.3.0a9

Notes: all similar cases lead to this case: 946442 or 925340. the former suggests that this issue is was fixed in 2017.2.0f1 and the other is marked as "Not Reproducible".
Since I can't find any other similar issues, I'm making this one.

*Could not build due to gradle errors.

Reproducible on Android with 'adb shell top' in the command line inspect the "dev.ksatou.text+ " process. Device:
VLNQA00149, Samsung Galaxy S9 (SM-G960F), Android 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72

Reproduces on Editor with platforms: Android, PC Standalone.

Does not reproduce when changing scenes without any text objects in them.
Does not reproduce when Instantiating and Destroying the object during runtime.