[other] introduce a separate changelog for backports, update

contributing guidelines
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narimiran 2019-06-17 12:15:47 +02:00
commit b70fd0400e
3 changed files with 98 additions and 44 deletions

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## v0.20.2 - XXXX-XX-XX
# v1.1 - XXXX-XX-XX
### Changes affecting backwards compatibility
- All `strutils.rfind` procs now take `start` and `last` like `strutils.find`
with the same data slice/index meaning. This is backwards compatible for
calls *not* changing the `rfind` `start` parameter from its default.
In the unlikely case that you were using `rfind X, start=N`, or `rfind X, N`,
then you need to change that to `rfind X, last=N` or `rfind X, 0, N`. (This
should minimize gotchas porting code from other languages like Python or C++.)
#### Breaking changes in the standard library
## Changes affecting backwards compatibility
#### Breaking changes in the compiler
### Breaking changes in the standard library
### Library additions
### Breaking changes in the compiler
### Library changes
## Library additions
- Added `os.delEnv` and `nimscript.delEnv`.
### Language additions
## Library changes
### Language changes
- Added `os.delEnv` and `nimscript.delEnv`. (#11466)
- Enable Oid usage in hashtables. (#11472)
## Language additions
## Language changes
### Tool changes
### Compiler changes
- VM can now cast integer type arbitrarily. (#11459)
### Bugfixes
## Bugfixes