[Diff since v2.3.2](v2.3.2...v2.3.3)

**Merged pull requests:**
- close #561 (#562) (@jverzani)

**Closed issues:**
- Sympy throws on returning a tuple out of diophantine call (#561)

[Diff since v2.3.1](v2.3.1...v2.3.2)

**Merged pull requests:**
- V2.3.1.a (#557) (@jverzani)
- V2.3.1.a (#559) (@jverzani)
- V.2.3.2 (#560) (@jverzani)

drop pre v.1.10 support

[Diff since v2.2.0](v2.2.0...v2.2.1)

**Merged pull requests:**
- Sparse (#553) (@jverzani)

**Closed issues:**
- Behavior of iszero(x::Sym) (#542)

## SymPy v2.2.0

[Diff since v2.1.1](v2.1.1...v2.2.0)


**Merged pull requests:**
- Pycall instructs (#550) (@jverzani)
- Remove SymbolicUtils dependency (#551) (@0x0f0f0f)
- Circular (#552) (@jverzani)

## SymPy v2.1.1

[Diff since v2.1.0](v2.1.0...v2.1.1)


**Merged pull requests:**
- Bump SymbolicUtils.jl compat to v2 (#547) (@ChrisRackauckas)
- Update Project.toml (#548) (@jverzani)

## SymPy v2.1.0

[Diff since v2.0.1](v2.0.1...v2.1.0)


**Merged pull requests:**
- Bool3 (#546) (@jverzani)

**Closed issues:**
- SymPy 2.0+ cannot display expressions in an array in the latex form in IJulia  (#543)
- Problem with solving linear recurrence: missing 1 required positional argument: 'other' (#544)
- Type stability breaks down for simple arithmetic functions in SymPy 2.0+ (#545)

## SymPy v2.0.1

[Diff since v2.0.0](v2.0.0...v2.0.1)


**Merged pull requests:**
- Issue 16 (#540) (@jverzani)

## SymPy v2.0.0

[Diff since v1.2.1](v1.2.1...v2.0.0)


**Merged pull requests:**
- Have SymPy depend on SymPyCore; breaking change (#534) (@jverzani)

## SymPy v1.2.1

[Diff since v1.2.0](v1.2.0...v1.2.1)


**Merged pull requests:**
- V1.2.1a (#536) (@jverzani)

**Closed issues:**
- @vars and "pretty names" (#404)
- Multiplying NumberSymbols turns them into their numerical approximation (#407)
- Doc build (#454)
- CI testing agains sympy v"1.10" not v"1.9" (#464)
- inverse laplace transform function ? (#471)
- raise TypeError("Cannot convert expression to float") when assigning SymPy expression to an array (#481)